Ohio University
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Research output, citation impact, and the most-cited recent papers from Ohio University (United States). Aggregated across the NobleBlocks index of 300M+ scholarly works.
Top-cited papers from Ohio University
priate starting point for consultation by specialists. Substantial overlap exists among the patients whom these guidelines address and those discussed in the recently published guidelines for health care-associated pneumonia (HCAP). Pneumonia in nonambulatory residents of nursing homes and other long-term care facilities epidemiologically mirrors hospital-acquired pneumonia and should be treated according to the HCAP guidelines. However, certain other patients whose conditions are included in the designation of HCAP are better served by management in accordance with CAP guidelines with concern for specific pathogens.
In 2008 we published the first set of guidelines for standardizing research in autophagy. Since then, research on this topic has continued to accelerate, and many new scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Accordingly, it is important to update these guidelines for monitoring autophagy in different organisms. Various reviews have described the range of assays that have been used for this purpose. Nevertheless, there continues to be confusion regarding acceptable methods to measure autophagy, especially in multicellular eukaryotes. For example, a key point that needs to be emphasized is thatthere is a difference between measurements that monitor the numbers or volume of autophagic elements (e.g., autophagosomes or autolysosomes) at any stage of the autophagic process versus those that measure flux through the autophagy pathway (i.e., the completeprocess including the amount and rate of cargo sequestered and degraded). In particular, a block in macroautophagy that results in autophagosome accumulation must be differentiated from stimuli that increase autophagic activity, defined as increasedautophagy induction coupled with increased delivery to, and degradation within, lysosomes (inmost higher eukaryotes and some protists such as Dictyostelium) or the vacuole (in plants and fungi). In other words, it is especially important that investigators new to the field understand that the appearance of more autophagosomes does not necessarily equate with more autophagy. In fact, in manycases, autophagosomes accumulate because of a block in trafficking to lysosomes without a concomitant change in autophagosome biogenesis, whereas an increase in autolysosomes may reflect a reduction in degradative activity. It is worth emphasizing here that lysosomal digestion is a stage of autophagy and evaluating its competence is a crucial part of the evaluation of autophagic flux, or complete autophagy. Here, we present a set of guidelines for the selection and interpretation of methods for use by investigators who aim to examine macroautophagy and related processes, as well as forreviewers who need to provide realistic and reasonable critiques of papers that are focused on these processes. These guidelines are not meant to be a formulaic set of rules, because the appropriate assays depend in part on the question being asked and the system being used. In addition, we emphasize that no individual assay is guaranteed to be the most appropriate one in every situation, and we strongly recommend the use of multipleassays to monitor autophagy. Along these lines, because of the potential for pleiotropic effects due to blocking autophagy through genetic manipulation, it is imperative to target by gene knockout or RNA interference more than one autophagyrelated protein. In addition, some individual Atg proteins, or groups of proteins, are involved in other cellular pathways implying that not all Atg proteins can be used as a specific marker for an autophagic process. In these guidelines, we consider these various methods of assessing autophagy and what information can, or cannot, be obtained from them. Finally, by discussing the merits and limits of particular assays, we hope to encourage technical innovation in the field.
Building on Kahn's (1990) ethnographic work, a field study in a U.S. Midwestern insurance company explored the determinants and mediating effects of three psychological conditions — meaningfulness, safety and availability — on employees' engagement in their work. Results from the revised theoretical framework revealed that all three psychological conditions exhibited significant positive relations with engagement. Meaningfulness displayed the strongest relation. Job enrichment and work role fit were positively linked to psychological meaningfulness. Rewarding co‐worker and supportive supervisor relations were positively associated with psychological safety, whereas adherence to co‐worker norms and self‐consciousness were negatively associated. Psychological availability was positively related to resources available and negatively related to participation in outside activities. Finally, the relations of job enrichment and work role fit with engagement were both fully mediated by the psychological condition of meaningfulness. The association between adherence to co‐worker norms and engagement was partially mediated by psychological safety. Theoretical and practical implications related to psychological engagement at work are discussed.
To identify underlying patterns in the alliance literature, an empirical review of the many existing studies that relate alliance to outcome was conducted. After an exhaustive literature review, the data from 79 studies (58 published, 21 unpublished) were aggregated using meta-analytic procedures. The results of the meta-analysis indicate that the overall relation of therapeutic alliance with outcome is moderate, but consistent, regardless of many of the variables that have been posited to influence this relationship. For patient, therapist, and observer ratings, the various alliance scales have adequate reliability. Across most alliance scales, there seems to be no difference in the ability of raters to predict outcome. Moreover, the relation of alliance and outcome does not appear to be influenced by other moderator variables, such as the type of outcome measure used in the study, the type of outcome rater, the time of alliance assessment, the type of alliance rater, the type of treatment provided, or the publication status of the study.
The article presents a review of the book “Management of Organizational Behavior: Utilizing Human Resources,” by Paul Hersey and Kenneth H. Blanchard.
We present cosmological results from the final galaxy clustering data set of the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital Sky Survey III. Our combined galaxy sample comprises 1.2 million massive galaxies over an effective area of 9329 deg 2 and volume of 18.7 Gpc 3 , divided into three partially overlapping redshift slices centred at effective redshifts 0.38, 0.51 and 0.61. We measure the angular diameter distance D M and Hubble parameter H from the baryon acoustic oscillation (BAO) method, in combination with a cosmic microwave background prior on the sound horizon scale, after applying reconstruction to reduce non-linear effects on the BAO feature. Using the anisotropic clustering of the
Our growing awareness of the microbial world's importance and diversity contrasts starkly with our limited understanding of its fundamental structure. Despite recent advances in DNA sequencing, a lack of standardized protocols and common analytical frameworks impedes comparisons among studies, hindering the development of global inferences about microbial life on Earth. Here we present a meta-analysis of microbial community samples collected by hundreds of researchers for the Earth Microbiome Project. Coordinated protocols and new analytical methods, particularly the use of exact sequences instead of clustered operational taxonomic units, enable bacterial and archaeal ribosomal RNA gene sequences to be followed across multiple studies and allow us to explore patterns of diversity at an unprecedented scale. The result is both a reference database giving global context to DNA sequence data and a framework for incorporating data from future studies, fostering increasingly complete characterization of Earth's microbial diversity.
Abstract We present optical light curves, redshifts, and classifications for spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Survey. We detail improvements to the PS1 SN photometry, astrometry, and calibration that reduce the systematic uncertainties in the PS1 SN Ia distances. We combine the subset of PS1 SNe Ia (0.03 < z < 0.68) with useful distance estimates of SNe Ia from the Sloan Digital Sky Survey (SDSS), SNLS, and various low- z and Hubble Space Telescope samples to form the largest combined sample of SNe Ia, consisting of a total of SNe Ia in the range of 0.01 < z < 2.3, which we call the “Pantheon Sample.” When combining Planck 2015 cosmic microwave background (CMB) measurements with the Pantheon SN sample, we find and for the w CDM model. When the SN and CMB constraints are combined with constraints from BAO and local H 0 measurements, the analysis yields the most precise measurement of dark energy to date: and for the CDM model. Tension with a cosmological constant previously seen in an analysis of PS1 and low- z SNe has diminished after an increase of 2× in the statistics of the PS1 sample, improved calibration and photometry, and stricter light-curve quality cuts. We find that the systematic uncertainties in our measurements of dark energy are almost as large as the statistical uncertainties, primarily due to limitations of modeling the low-redshift sample. This must be addressed for future progress in using SNe Ia to measure dark energy.
autophagic responses. Here, we critically discuss current methods of assessing autophagy and the information they can, or cannot, provide. Our ultimate goal is to encourage intellectual and technical innovation in the field.
<h3>Importance</h3> Cancer and other noncommunicable diseases (NCDs) are now widely recognized as a threat to global development. The latest United Nations high-level meeting on NCDs reaffirmed this observation and also highlighted the slow progress in meeting the 2011 Political Declaration on the Prevention and Control of Noncommunicable Diseases and the third Sustainable Development Goal. Lack of situational analyses, priority setting, and budgeting have been identified as major obstacles in achieving these goals. All of these have in common that they require information on the local cancer epidemiology. The Global Burden of Disease (GBD) study is uniquely poised to provide these crucial data. <h3>Objective</h3> To describe cancer burden for 29 cancer groups in 195 countries from 1990 through 2017 to provide data needed for cancer control planning. <h3>Evidence Review</h3> We used the GBD study estimation methods to describe cancer incidence, mortality, years lived with disability, years of life lost, and disability-adjusted life-years (DALYs). Results are presented at the national level as well as by Socio-demographic Index (SDI), a composite indicator of income, educational attainment, and total fertility rate. We also analyzed the influence of the epidemiological vs the demographic transition on cancer incidence. <h3>Findings</h3> In 2017, there were 24.5 million incident cancer cases worldwide (16.8 million without nonmelanoma skin cancer [NMSC]) and 9.6 million cancer deaths. The majority of cancer DALYs came from years of life lost (97%), and only 3% came from years lived with disability. The odds of developing cancer were the lowest in the low SDI quintile (1 in 7) and the highest in the high SDI quintile (1 in 2) for both sexes. In 2017, the most common incident cancers in men were NMSC (4.3 million incident cases); tracheal, bronchus, and lung (TBL) cancer (1.5 million incident cases); and prostate cancer (1.3 million incident cases). The most common causes of cancer deaths and DALYs for men were TBL cancer (1.3 million deaths and 28.4 million DALYs), liver cancer (572 000 deaths and 15.2 million DALYs), and stomach cancer (542 000 deaths and 12.2 million DALYs). For women in 2017, the most common incident cancers were NMSC (3.3 million incident cases), breast cancer (1.9 million incident cases), and colorectal cancer (819 000 incident cases). The leading causes of cancer deaths and DALYs for women were breast cancer (601 000 deaths and 17.4 million DALYs), TBL cancer (596 000 deaths and 12.6 million DALYs), and colorectal cancer (414 000 deaths and 8.3 million DALYs). <h3>Conclusions and Relevance</h3> The national epidemiological profiles of cancer burden in the GBD study show large heterogeneities, which are a reflection of different exposures to risk factors, economic settings, lifestyles, and access to care and screening. The GBD study can be used by policy makers and other stakeholders to develop and improve national and local cancer control in order to achieve the global targets and improve equity in cancer care.
The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fiber-fed optical spectrograph, a new near-infrared high-resolution spectrograph, and a novel optical interferometer. All of the data from SDSS-III are now made public. In particular, this paper describes Data Release 11 (DR11) including all data acquired through 2013 July, and Data Release 12 (DR12) adding data acquired through 2014 July (including all data included in previous data releases), marking the end of SDSS-III observing. Relative to our previous public release (DR10), DR12 adds one million new spectra of galaxies and quasars from the Baryon Oscillation Spectroscopic Survey (BOSS) over an additional 3000 deg 2 of sky, more than triples the number of H -band spectra of stars as part of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE), and includes repeated accurate radial velocity measurements of 5500 stars from the Multi-object APO Radial Velocity Exoplanet Large-area Survey (MARVELS). The APOGEE outputs now include the measured abundances of 15 different elements for each star. In total, SDSS-III added 5200 deg 2 of ugriz imaging; 155,520 spectra of 138,099 stars as part of the Sloan Exploration of Galactic Understanding and Evolution 2 (SEGUE-2) survey; 2,497,484 BOSS spectra of 1,372,737 galaxies, 294,512 quasars, and 247,216 stars over 9376 deg 2 ; 618,080 APOGEE spectra of 156,593 stars; and 197,040 MARVELS spectra of 5513 stars. Since its first light in 1998, SDSS has imaged over 1/3 of the Celestial sphere in five bands and obtained over five million astronomical spectra.
We propose a new theoretical framework for understanding simultaneous trust and distrust within relationships. grounded in assumptions of multidimensionality and the inherent tensions of relationships. and we separate this research from prior work grounded in assumptions of unidimensionality and balance. Drawing foundational support for this new framework from recent research on simultaneous positive and negative sentiments and ambivalence. we explore the theoretical and practical significance of the framework for future work on trust and distrust relationships within organizations.
The purpose of this new classification compendium is to republish the Orthopaedic Trauma Association's (OTA) classification. The OTA classification was originally published in a compendium of the Journal of Orthopaedic Trauma in 1996. It adopted The Comprehensive Classification of the Long Bones developed by Müller and colleagues and classified the remaining bones. In this compendium, the introductory chapter reviews new scientific information about classifying fractures that has been published in the last 11 years. The classification is presented in a revised format that is easier to follow. The OTA and AO classification will now have a unified alpha-numeric code eliminating the differences that have existed between the 2 codes. The code was significantly revised for the clavicle and scapula, foot and hand, and patella. Dislocations have been expanded on an anatomic basis and for most joints will be coded separately. This publication should stimulate new developments and interest in a unified language to code and classify fractures. Further improvements in classification will result in better patient care and clinical research.
Guidelines for the management of community-acquired pneumonia were issued on behalf of the Infectious Diseases Society of America in April 1998. The present version represents a revision of these guidelines issued in February 2000; updates at 6- to 12-month intervals are anticipated. A summary of these guidelines follows. Grading system. Recommendations are categorized by the letters A–D, according to the strength of the recommendation: A, good evidence to support the recommendation; B, moderate evidence to support the recommendation; C, poor evidence to support the recommendation; and D, evidence against the recommendation. The recommendations are also graded by the quality of the evidence to support the recommendation, on the basis of categories I–III; I, at least 1 randomized controlled trial supports the recommendation; II, evidence from at least 1 well-designed clinical trial without randomization supports the recommendation; and III, “expert opinion.” Chest radiography. Chest radiography is considered critical for establishing the diagnosis of pneumonia and for distinguishing this condition from acute bronchitis (AB), which is a common cause of antibiotic abuse. Site of care. Recommendations regarding the decision for hospitalization are based on the methodology used in the clinical prediction rule for short-term mortality, from the publications of the Pneumonia Patient Outcome Research Team (Pneumonia PORT). Patients are stratified into 5 severity classes by means of a 2-step process. Class I indicates an age <50 years, with none of 5 comorbid conditions (neoplastic disease, liver disease, congestive heart failure, cerebrovascular disease, or renal disease), normal or only mildly deranged vital signs, and normal mental status. In step 2, patients not assigned to risk class I are stratified in classes II–V on the basis of points assigned for 3 demographic variables (age, sex, and nursing home residency), 5 comorbid conditions (summarized above), 5 physical examination findings, and 7 laboratory and/or radiographic findings. Patients in risk classes I and II do not usually require hospitalization, those in risk class III may require brief hospitalization, and those in risk classes IV and V usually require hospitalization. It should be noted that social factors, such as outpatient support mechanisms and probability of adherence, are not included in this assessment. Laboratory tests. All patients thought to have pneumonia should undergo chest radiography. The following laboratory values should be determined for patients who are hospitalized: complete blood cell count and differential, serum creatinine, blood urea nitrogen, glucose, electrolytes, and liver function tests. HIV serology with informed consent should be considered, especially for persons aged 15–54 years. Oxygen saturation should be assessed. There should be 2 pretreatment blood cultures, as well as Gram staining and culture of expectorated sputum. Selected patients should have microbiological studies for tuberculosis and legionella infection. The preferred tests for detection of Legionella species are the urinary antigen assay for Legionella pneumophila serogroup 1 and culture with selective media. The rationale for performing microbiological studies to establish an etiologic diagnosis is based on attempts to improve care of the individual patient with pathogen-specific treatment; to improve care of other patients and to advance knowledge by detecting epidemiologically important organisms (Legionella, penicillin-resistant Streptococcus pneumoniae, and methicillin-resistant Staphylococcus aureus); to implement contact-tracing and antimicrobial prophylaxis in appropriate settings (such as cases of Neisseria meningitidis infection, Haemophilus influenzae type B infection, and tuberculosis); to prevent antibiotic abuse; and to reduce antibiotic expense. Antimicrobial therapy. Recommendations are provided for pathogen-specific treatment in cases in which an etiologic diagnosis is established or strongly suspected. If this information is not available initially but is subsequently reported, changing to the antimicrobial agent that is most cost-effective, least toxic, and most narrow in spectrum is encouraged. Recommendations for treating patients who require empirical antibiotic selection are based on severity of illness, pathogen probabilities, resistance patterns of S. pneumoniae (the most commonly implicated etiologic agent), and comorbid conditions. The recommendation for outpatients is administration of a macrolide, doxycycline, or fluoroquinolone with enhanced activity against S. pneumoniae. For patients who are hospitalized, the recommendation is administration of a fluoroquinolone alone or an or a Patients in the care should or in with a fluoroquinolone or other those are not may be to the patient is is and is to patients a clinical on chest usually the clinical and chest radiography is not for patients who The to usually indicates an or of or or such as or The most of community-acquired pneumonia are S. pneumoniae and The most for to is of appropriate antibiotic S. pneumoniae, the most common etiologic agent of pneumonia in for of pneumonia and are the most cause of community-acquired in by the of and are as the of pneumonia by may not as as pneumonia by The activity of and or other is good against but with that and are the only with in are against that are or to but resistance in selective that with fluoroquinolone The are of and of according to guidelines of the on of the for and Recommendations for the of blood culture antibiotic treatment and the of antibiotic treatment of hospitalization, are on the basis of are laboratory tests for Legionella in patients in the of an on chest of patients with an of for and of blood or of are the cause of in the and the cause of to in the in the the of pneumoniae and of detection and antimicrobial and are conditions in that are in of Guidelines for management were in by the Society the Society and the Infectious Society as well as the Infectious Diseases Society of America in The present guidelines recommendations of the with these guidelines are to recommendations in and an of guidelines are to community-acquired pneumonia in Recommendations are to strength and a to the quality of evidence is for quality from the It should be that of be to with the of variables that regarding of and selection of these should not good clinical for recommendations in the for recommendations in the is commonly as an acute of the that is with at least of acute infection, by the of an acute on a chest or with pneumonia (such as and/or in a patient not or in a for of of acute may most at least of the or with or without or in of in a patient with chest or the of patients also have such as and Pneumonia is the most common cause of in the the of to pneumonia and by the basis of on in the of this is to a of persons aged also by which that other may have to a changing of a of the with conditions at risk of infection. cases of in and in the The of that hospitalization is to be persons and persons aged from to patients in a of the is is to be for patients not The of is the the of a to patients the of an illness, the of and the probability of the of is of clinical from from without to and The to in cases of a on The decision to a patient or to or as an outpatient is the most important clinical decision by the of illness, which on the and of laboratory antibiotic and The treatment for an of in the is the of outpatient for diagnosis and management of community-acquired and type of or a or or fluoroquinolone with enhanced or complete blood cell care tests for for for diagnosis and management of community-acquired and type of or a or or fluoroquinolone with enhanced or complete blood cell care tests for for studies have risk for in cases of were in the studies of an risk with the of the of and radiographic studies have these with have also for a of comorbid such as congestive heart and and with of mental or and and Laboratory and radiographic with are liver function and to or S. and pneumonia are also with knowledge regarding the of and radiographic and patient mortality, is in for that do not a to the decision to to the In the risk of for patients with and the of is with the decision to the years, at least studies have used to of for patients with The Pneumonia a clinical prediction rule that short-term for patients with this as a this rule may the and of treatment for patients with this of risk in the and of risk in the and The Pneumonia prediction rule with with with with and and outpatients in the Pneumonia this patients are stratified into 5 severity classes by means of a 2-step process. In step patients are as risk class I (the severity are aged years, have none of 5 important comorbid conditions (neoplastic disease, liver disease, congestive heart failure, cerebrovascular disease, or renal disease), and have normal or only mildly deranged vital and normal mental status. In step 2, patients who are not assigned to risk class I on the basis of the and physical examination alone are stratified into classes on the basis of points assigned for 3 demographic variables (age, sex, and nursing home 5 comorbid conditions above), 5 physical examination mental or and 7 laboratory or radiographic blood urea nitrogen, or with the following class class class and class for step 2 of the prediction to risk classes II–V for step 2 of the prediction to risk classes II–V In the and of this for risk classes for class IV and for class V in risk class were also with hospitalization and to for outpatients and with of to the and of for in the Pneumonia the basis of these Pneumonia that patients in risk classes I or II are for outpatient risk class III patients are for outpatient treatment or brief and patients in classes IV and V should be from the Pneumonia that these recommendations reduce the of patients care by and that be a brief for an The and of the Pneumonia prediction rule to the of care for an of patients with have with of a version of the Pneumonia prediction rule were the rule and were to those in risk classes as with and of at to the The for those at home this were with the for from the the the were patients as for short-term classes for with The initially as outpatients the the of hospitalization used as the a outpatient care the but the of those initially in the outpatient the of A controlled trial subsequently the and of the Pneumonia prediction rule for the decision In this were assigned to management of or to implement a critical that included the Pneumonia prediction rule to the were the rule and were to those in risk classes as outpatients with patients with were in this of the prediction rule in an in the of patients of the rule not in an in or and not status. studies support of the Pneumonia prediction rule to patients who be in the outpatient The the of the Pneumonia prediction which for and a for the decision regarding hospitalization. should be that the prediction rule is as a prediction and not as a to patients with studies are to the the of this rule in the that patients as and in the outpatient have to or those of patients who are It is important to that prediction are to to to is that other severity of also be considered in an individual patient is a for outpatient care. 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The is to establish a diagnosis that be used for and of antimicrobial the other the of studies for of severity is studies are to the of studies in these in the of the diagnosis on the pathogen and on the as follows. a is established by a clinical the of a etiologic agent from an or or the from of a pathogen that not the Legionella or tests are as the are usually not available in a or the are a etiologic diagnosis is established by a clinical with detection staining or of a pathogen in or or the pathogen should be in moderate to of from of from or used for etiologic The following tests or of are used to establish an etiologic blood culture at should be from patients who require hospitalization for acute pneumonia from other and should have Gram staining and culture by the clinical examination and the of Gram staining of expectorated is but this for selection of antimicrobial provided that a is antibiotic and in the laboratory a of with antimicrobial should not be for patients of the in for microbiological laboratory tests should Gram and culture of that for diagnosis and for outpatient and management of community-acquired pneumonia in for diagnosis and for outpatient and management of community-acquired pneumonia in for the of the of and in patients with normal or determined with of a examination the values from to based on of culture with clinical and of a of and Legionella species are may should be the of in is of expectorated should clinical and In may not be to Gram staining in a to antibiotic but a may be and for studies support the of examination of a with of that S. pneumoniae. the of Gram staining for patients with pneumonia to be and the to be In a of patients to the with a with the of and on The of by these a that the blood culture in have appropriate antimicrobial for of patients on the basis of In the Gram is of the of organisms that are The of with in a patient who not by most The of the is to the of the of expectorated are the common of are The most for microbiological is that the not a of from the the patient to a or the care not to such a administration of in the to from or culture and with of the by the of the The may to and the normal the pathogen to especially with such as S. pneumoniae. In cases of S. pneumoniae may be in culture in only of cases are used The of S. pneumoniae is from and of antibiotic may reduce the of common in of from and is with for such as or S. the of these for detecting other or tuberculosis is these tests are usually not in the of patients with but may for in a support the diagnosis of pneumoniae infection, with a of but this poor to pneumoniae require to 1 to for are The to and Legionella species The acute for Legionella in is usually or a have an acute as a for a or but 1 that this a of only If tests are to be an serum be from the of a in a serum be and studies of be to is for that are commonly available tests that be used to for acute by pneumoniae, pneumoniae, or Legionella for of in and in other have for with a of and for of S. in have to and of and on the are The an assay to S. pneumoniae antigen in may be as as of the to the the a of and a of are the with the the for in to to and the of on The this as a to and blood The also is a assay 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Analyzing Media Messages, Fourth Edition provides a comprehensive guide to conducting content analysis research. It establishes a formal definition of quantitative content analysis; gives step-by-step instructions on designing a content analysis study; and explores in depth several recurring questions that arise in such areas as measurement, sampling, reliability, data analysis, and the use of digital technology in the content analysis process. The fourth edition maintains the concise, accessible approach of the first three editions while offering updated discussions and examples. It examines in greater detail the use of computers to analyze content and how that process varies from human coding of content, incorporating more literature about technology and content analysis throughout. Updated topics include sampling in the digital age, computerized content analysis as practiced today, and incorporating social media in content analysis. Each chapter contains useful objectives and chapter summaries to cement core concepts
Autoethnography has recently become a popular form of qualitative research. The current discourse on this genre of research refers almost exclusively to “evocative autoethnography” that draws upon postmodern sensibilities and whose advocates distance themselves from realist and analytic ethnographic traditions. The dominance of evocative autoethnography has obscured recognition of the compatibility of autoethnographic research with more traditional ethnographic practices. The author proposes the term analytic autoethnography to refer to research in which the researcher is (1) a full member in the research group or setting, (2) visible as such a member in published texts, and (3) committed to developing theoretical understandings of broader social phenomena. After briefly tracing the history of proto-autoethnographic research among realist ethnographers, the author proposes five key features of analytic autoethnography. He concludes with a consideration of the advantages and limitations of this genre of qualitative research.
IMPORTANCE: The Global Burden of Diseases, Injuries, and Risk Factors Study 2019 (GBD 2019) provided systematic estimates of incidence, morbidity, and mortality to inform local and international efforts toward reducing cancer burden. OBJECTIVE: To estimate cancer burden and trends globally for 204 countries and territories and by Sociodemographic Index (SDI) quintiles from 2010 to 2019. EVIDENCE REVIEW: The GBD 2019 estimation methods were used to describe cancer incidence, mortality, years lived with disability, years of life lost, and disability-adjusted life years (DALYs) in 2019 and over the past decade. Estimates are also provided by quintiles of the SDI, a composite measure of educational attainment, income per capita, and total fertility rate for those younger than 25 years. Estimates include 95% uncertainty intervals (UIs). FINDINGS: In 2019, there were an estimated 23.6 million (95% UI, 22.2-24.9 million) new cancer cases (17.2 million when excluding nonmelanoma skin cancer) and 10.0 million (95% UI, 9.36-10.6 million) cancer deaths globally, with an estimated 250 million (235-264 million) DALYs due to cancer. Since 2010, these represented a 26.3% (95% UI, 20.3%-32.3%) increase in new cases, a 20.9% (95% UI, 14.2%-27.6%) increase in deaths, and a 16.0% (95% UI, 9.3%-22.8%) increase in DALYs. Among 22 groups of diseases and injuries in the GBD 2019 study, cancer was second only to cardiovascular diseases for the number of deaths, years of life lost, and DALYs globally in 2019. Cancer burden differed across SDI quintiles. The proportion of years lived with disability that contributed to DALYs increased with SDI, ranging from 1.4% (1.1%-1.8%) in the low SDI quintile to 5.7% (4.2%-7.1%) in the high SDI quintile. While the high SDI quintile had the highest number of new cases in 2019, the middle SDI quintile had the highest number of cancer deaths and DALYs. From 2010 to 2019, the largest percentage increase in the numbers of cases and deaths occurred in the low and low-middle SDI quintiles. CONCLUSIONS AND RELEVANCE: The results of this systematic analysis suggest that the global burden of cancer is substantial and growing, with burden differing by SDI. These results provide comprehensive and comparable estimates that can potentially inform efforts toward equitable cancer control around the world.
ABSTRACT We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant from 3.3% to 2.4%. The bulk of this improvement comes from new near-infrared (NIR) observations of Cepheid variables in 11 host galaxies of recent type Ia supernovae (SNe Ia), more than doubling the sample of reliable SNe Ia having a Cepheid-calibrated distance to a total of 19; these in turn leverage the magnitude-redshift relation based on ∼300 SNe Ia at z < 0.15. All 19 hosts as well as the megamaser system NGC 4258 have been observed with WFC3 in the optical and NIR, thus nullifying cross-instrument zeropoint errors in the relative distance estimates from Cepheids. Other noteworthy improvements include a 33% reduction in the systematic uncertainty in the maser distance to NGC 4258, a larger sample of Cepheids in the Large Magellanic Cloud (LMC), a more robust distance to the LMC based on late-type detached eclipsing binaries (DEBs), HST observations of Cepheids in M31, and new HST -based trigonometric parallaxes for Milky Way (MW) Cepheids. We consider four geometric distance calibrations of Cepheids: (i) megamasers in NGC 4258, (ii) 8 DEBs in the LMC, (iii) 15 MW Cepheids with parallaxes measured with HST /FGS, HST /WFC3 spatial scanning and/or Hipparcos , and (iv) 2 DEBs in M31. The Hubble constant from each is 72.25 ± 2.51, 72.04 ± 2.67, 76.18 ± 2.37, and 74.50 ± 3.27 km s −1 Mpc −1 , respectively. Our best estimate of H 0 = 73.24 ± 1.74 km s −1 Mpc −1 combines the anchors NGC 4258, MW, and LMC, yielding a 2.4% determination (all quoted uncertainties include fully propagated statistical and systematic components). This value is 3.4 σ higher than 66.93 ± 0.62 km s −1 Mpc −1 predicted by ΛCDM with 3 neutrino flavors having a mass of 0.06 eV and the new Planck data, but the discrepancy reduces to 2.1 σ relative to the prediction of 69.3 ± 0.7 km s −1 Mpc −1 based on the comparably precise combination of WMAP +ACT+SPT+BAO observations, suggesting that systematic uncertainties in CMB radiation measurements may play a role in the tension. If we take the conflict between Planck high-redshift measurements and our local determination of H 0 at face value, one plausible explanation could involve an additional source of dark radiation in the early universe in the range of Δ N eff ≈ 0.4–1. We anticipate further significant improvements in H 0 from upcoming parallax measurements of long-period MW Cepheids.
A new method for the determination of adult skeletal age at death based upon chronological changes in the auricular surface of the ilium is presented. Formal stages have been constructed following extensive tests and refinements in observations made of such changes. Two completely "blind" tests were conducted to assess the accuracy and bias of the new method. Results show that the system is equally accurate to pubic symphyseal aging (although somewhat more difficult to apply), and also carries the advantages of a higher preservation rate for the auricular surface in archaeological populations and continued age-related change beyond the fifth decade.
It is predicted that climate change will cause species extinctions and distributional shifts in coming decades, but data to validate these predictions are relatively scarce. Here, we compare recent and historical surveys for 48 Mexican lizard species at 200 sites. Since 1975, 12% of local populations have gone extinct. We verified physiological models of extinction risk with observed local extinctions and extended projections worldwide. Since 1975, we estimate that 4% of local populations have gone extinct worldwide, but by 2080 local extinctions are projected to reach 39% worldwide, and species extinctions may reach 20%. Global extinction projections were validated with local extinctions observed from 1975 to 2009 for regional biotas on four other continents, suggesting that lizards have already crossed a threshold for extinctions caused by climate change.