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Criterios diagnóstico en el síndorme de ojo seco Diagnostic criteria in dry eye
PhD Tomlinson
Archivos de la Sociedad Espa?ola de Oftalmología , 2004,
No Preconception: The Dictum
Barney Glaser, PhD, Hon. PhD
Grounded Theory Review : an International Journal , 2012,
Abstract: I would like to begin and introduce this book on “no preconceptions” when doing grounded theory (GT) with a short trip of 45 years into the past by quoting the reasoning source of the no preconceptions dictum as first laid out in 1967 in the Discovery of Grounded Theory, by Barney Glaser and Anselm Strauss. The sources where (1) the zeal for verification of conjectured hypotheses research and (2) to explain the findings with theoretical capitalists demanding and commanding conjecture seldom if ever tapping the reality of what was really going on. Grounding induced theory in research data was what was needed.
Confirmatory Factor Analysis of the Structure of Statistics Anxiety Measure: An Examination of Four Alternative Models
Shahram Vahedi, PhD,Farahman Farrokhi, PhD,Hossein Bevrani, PhD
Iranian Journal of Psychiatry , 2011,
Abstract: Objective: The aim of this study is to explore the confirmatory factor analysis results of the Persian adaptation of Statistics Anxiety Measure (SAM), proposed by Earp.Method: The validity and reliability assessments of the scale were performed on 298 college students chosen randomly from Tabriz University in Iran. Confirmatory factor analysis (CFA) was carried out to determine the factor structures of the Persian adaptation of SAM.Results: As expected, the second order model provided a better fit to the data than the three alternative models. Conclusions: Hence, SAM provides an equally valid measure for use among college students. The study both expands and adds support to the existing body of math anxiety literature.
Health Care Provider Advice for African American Adults Not Meeting Health Behavior Recommendations
Elizabeth A. Fallon, PhD,Sara Wilcox, PhD,Marilyn Laken, PhD
Preventing Chronic Disease , 2006,
Abstract: Introduction Poor dietary habits and sedentary lifestyle contribute to excessive morbidity and mortality. Healthy People 2010 goals are for 85% of physicians to counsel their patients about physical activity and for 75% of physician office visits made by patients with cardiovascular disease, diabetes, or dyslipidemia to include dietary counseling. The purpose of this study was to 1) determine the rate of participant-reported health care provider advice for healthy lifestyle changes among African Americans who do not meet recommendations for physical activity, fruit and vegetable consumption, and healthy weight; 2) examine correlates of provider advice; and 3) assess the association between provider advice and stage of readiness for change for each of these health behaviors. Methods Data for this study were collected as part of a statewide faith-based physical activity program for African Americans. A stratified random sample of 20 African Methodist Episcopal churches in South Carolina was selected to participate in a telephone survey of members aged 18 years and older. The telephone survey, conducted over a 5-month period, asked participants a series of questions about sociodemographics, health status, physical activity, and nutrition. Analyses for moderate to vigorous physical activity, fruit and vegetable consumption, and weight loss were conducted separately. For each of these behaviors, logistic regression analyses were performed to examine the independent association of sex, age, body mass index, education, number of diagnosed diseases, perceived health, and stage of change with health care provider advice for health behaviors. Results A total of 572 church members (407 women, 165 men; mean age, 53.9 years; range, 18–102 years) completed the survey. Overall, participant-reported provider advice for lifestyle changes was 47.0% for physical activity, 38.7% for fruit and vegetable consumption, and 39.7% for weight. A greater number of diagnosed diseases and higher body mass index were independently associated with receiving advice to increase physical activity. A more advanced stage of change and a greater number of diagnosed diseases were independently associated with receiving advice for fruit and vegetable consumption. Body mass index, stage of change, and poorer perceived health were independently associated with receiving advice about weight. Conclusion Health care provider advice appears to be based predominantly on comorbidities. Because of the preventive benefit of physical activity, fruit and vegetable consumption, and healthy weight, all hea
Associations of Self-Reported Periodontal Disease With Metabolic Syndrome and Number of Self-Reported Chronic Conditions
Lillian Bensley, PhD,Juliet VanEenwyk, PhD,Eric M. Ossiander, PhD
Preventing Chronic Disease , 2011,
Abstract: IntroductionIncreasing evidence supports associations between periodontal disease and various chronic conditions. Possible explanations include chronic inflammatory processes, shared pathogens, and shared risk factors, such as smoking and psychosocial stress. The objective of this study was to assess associations of periodontal disease with metabolic syndrome and number of chronic diseases.MethodsAs part of the Washington Adult Health Survey, a household-based cross-sectional study conducted during 2006-2007 among adults aged 25 years or older in Washington State, we collected questionnaire data, blood samples, and anthropometric measures. We used these data to assess associations of periodontal disease with metabolic syndrome and the number of self-reported chronic diseases, controlling for age, sex, annual household income, smoking, and psychosocial stress. We used both complete case and multiple imputation Poisson regression analyses.ResultsIn the adjusted complete case analysis, 1.4 times as many chronic conditions were found among people with severe compared with no periodontal disease, and people with severe periodontal disease were 1.5 times more likely to have metabolic syndrome than people with no periodontal disease. Arthritis and liver disease were individually associated with severe periodontal disease. Results of the multiple imputation analyses were similar.ConclusionThese results suggest that people with severe periodontal disease are likely to have more chronic diseases and are more likely to have metabolic syndrome compared with people without periodontal disease. Research about the effectiveness of periodontal treatment to help prevent or control chronic diseases is needed.
Examination of anticipated chemical shift and shape distortion effect on materials commonly used in prosthetic socket fabrication when measured using MRI: A validation study
Mohammad Reza Safari, PhD,Philip Rowe, PhD,Arjan Buis, PhD
Journal of Rehabilitation Research and Development , 2013, DOI: 10.1682/jrrd.2011.09.0159
Abstract: The quality of lower-limb prosthetic socket fit is influenced by shape and volume consistency during the residual limb shape-capturing process (i.e., casting). Casting can be quantified with magnetic resonance imaging (MRI) technology. However, chemical shift artifact and image distortion may influence the accuracy of MRI when common socket/casting materials are used. We used a purpose-designed rig to examine seven different materials commonly used in socket fabrication during exposure to MRI. The rig incorporated glass marker tubes filled with water doped with 1 g/L copper sulfate (CS) and 9 plastic sample vials (film containers) to hold the specific material specimens. The specimens were scanned 9 times in different configurations. The absolute mean difference of the glass marker tube length was 1.39 mm (2.98%) (minimum = 0.13 mm [0.30%], maximum = 5.47 mm [14.03%], standard deviation = 0.89 mm). The absolute shift for all materials was <1.7 mm. This was less than the measurement tolerance of +/–2.18 mm based on voxel (three-dimensional pixel) dimensions. The results show that MRI is an accurate and repeatable method for dimensional measurement when using matter containing water. Additionally, silicone and plaster of paris plus 1 g/L CS do not show a significant shape distortion nor do they interfere with the MRI image of the residual limb.
Constructivist Grounded Theory?
Barney G. Glaser, PhD, Hon. PhD
Grounded Theory Review : an International Journal , 2012,
Abstract: I refer to and use as scholarly inspiration Charmaz’s excellent article on constructivist grounded theory as a tool of getting to the fundamental issues on why grounded theory is not constructivist. I show that constructivist data, if it exists at all, is a very, very small part of the data that grounded theory uses.
Stop. Write! Writing Grounded Theory
Barney G. Glaser, PhD, Hon. PhD
Grounded Theory Review : an International Journal , 2012,
Abstract: The message in this book, the dictum in this book, is to stop and write when the Grounded Theory (GT) methodology puts you in that ready position. Stop unending conceptualization, unending data coverage, and unending listening to others who would egg you on with additional data, ideas and/or requirements or simply wait too long. I will discuss these ideas in detail. My experience with PhD candidates is that for the few who write when ready, many do not and SHOULD. Simply put, many write-up, but many more should.
Terminology for biosimilars–a confusing minefield
Robin Thorpe, PhD, FRCPath,Meenu Wadhwa, PhD
Generics and Biosimilars Initiative Journal , 2012,
Abstract: Biosimilars are firmly established in the EU as copy biologicals with a clear and effective regulatory route for approval. Unfortunately, inconsistency in nomenclature for biosimilars has caused confusion. This problem of terminology has been the subject of a recent publication. The confusion is not just a potential concern for patient safety and efficacy, but also can lead to misconceptions in published reports. Several examples of this have occurred, some of which are discussed below. The definitions provided should be adopted for clarity in the future.
k nyvekr l books
Kapronczay Katalin PhD,Szabó Mária PhD
Kaleidoscope History , 2011,
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