Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 121 for “"External Validity"”.
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THE EXTERNAL VALIDITY OF RANDOMIZED CLINICAL TRIALS.
THE EXTERNAL VALIDITY OF RANDOMIZED CLINICAL TRIALS.
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The external validity of treatment effects: an investigation of educational production
… on the extrapolation of treatment effects ('external validity'). Building on the insights of Cook and Campbell (1979) and a result by Hotz, Imbens, and Mortimer (2005), I then argue that the fundamental challenge to external validity may be interactive relationships between the treatment …
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Assessment of Diabetes Regimen Disease Care in Youth with Type 1 Diabetes via the Diabetes Behavior Rating Scale and the 24-Hour Diabetes Interview
… DBRS and the 24-hr demonstrated good incremental validity and low convergent validity with each adding significant additive value. Both measures demonstrated good concurrent validity with HbA1c. As expected, scores on the 24-hr demonstrated less than adequate test-retest reliability and both …
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Measurement of Adolescent Psychopathy: Construct and Predictive Validity in Two Samples of Juvenile Offenders
… meet acceptable standards of reliability and validity prior to the clinical application of the construct with adolescent offenders. The purpose of this study is to examine the construct and predictive validity of adolescent psychopathy as measured by the PCL:YV, PSD, SALE, and SRP-II. Data …
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Three Essays on the generalizability of experimental results in economics
… of the major criticisms is represented by the external validity of experimental data and concerns the transferability of results obtained in laboratory to the real world. The aim of this thesis is to tackle the issue of external validity focusing in particular on one aspect: the possible lack …
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"An Investigation of Decomposed and Holistic Judgments in Multiattribute Decision Making: Generalizing the ""Divide and Conquer"" Principle"
Data is reported that compared the convergent validity (e.g. the agreement between decomposed and holistic strategies), the temporal stability and the external validity (the agreement between a decision strategy and an objective criterion) for decomposed and holistic judgments from two popular …
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Power or progress: What terrorist group leaders really want
… the formal model and provides evidence for the external validity of the model. Taken together these results suggest that some of the variation in terrorist group lethality is due to variation in the terrorist group leaders' goals.</p>
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Reliability and validity of an expert system for landscape visual quality assessment
… assessment was evaluated for reliability and validity against four professional landscape architects, one of whom’s rules upon which the system was based, and two lay subjects. Results indicated that the system has good initial reliability and internal validity, but the external validity …
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An Empirical Study of Health Professionals' Beliefs about Personhood in Dementia and Their Influence on Intended Patient Care
… reliability, and preliminary tests of external validity revealed a stronger correlation with a measure of beliefs about person-centered care than with a measure of beliefs about cancer treatment. Study III tested the criterion validity of the Personhood in Dementia Questionnaire by …
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Understanding Vulnerability in Alaska Fishing Communities: A Validation Methodology for Rapid Assessment of Well-Being Indices
… a rapid assessment methodology to test the external validity of a set of well-being indices that measure community vulnerability. This methodology informs how well such indices reflect the communities they represent by measuring elements of well-being through field observations, and …
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Jurors' Perceptions of Gender Differences in Expert Witness Testimony
… and also served to provide information as to external validity. Subjects were randomly assigned to two groups, differing as to which of two videotaped trials they were exposed. In both trials a man was being tried on the charges of physically abusing a boy. The tapes differed only by gender of …
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Essays on the counterintuitive consequences of labor policies in service industries
… counterfactual analyses and thus increases the external validity of my findings.
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Empowering RCT with Multi-site Multi-source RWD: a Statistical Learning Perspective
… can enhance both statistical efficiency and external validity, yet it requires overcoming issues such as heterogeneity across clinical sites, bias from unmeasured confounding, and model shifts between trial and real-world populations. The overarching goal of this dissertation is to develop …
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Consideration of race/ethnicity in adolescent substance abuse treatment outcome studies
… have been developed for youth, but their external validity racially/ethnically diverse populations have not been evaluated for use in ethnic populations. The purpose of this paper was to examine the extent to which adolescent substance use treatment outcome studies have considered …
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Development of a Framework to Describe the Association Between Hypothetical and Real-World Decisions: A Systematic Concept Review and Cognitive Interviews with Decision Aid Developers
… many of the factors thought to affect the external validity of hypothetical data. This thesis contributes a framework that highlights factors for investigators to consider when designing studies in hypothetical settings and that can serve as a foundation for future research.
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Attachment Styles and Enneagram Types: Development and Testing of an Integrated Typology for use in Marriage and Family Therapy
… Support was found for both the internal and external validity of the integrated typology. The results were discussed in terms of relationship satisfaction and attachment based therapy. Implications for using the integrated typology to address spirituality in MFT were also discussed.
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Results-based financing: a means for enhancing healthcare interventions : the case of Argentina
… system, features which could strengthen the external validity of the conclusions derived from this review.
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The Impact of Cognitive Behavior Techniques on the Vocational Identity of Persons with Disabilities Receiving SSI/SSDI Benefits
… selected for the study. Threats to internal and external validity were taken into consideration and controlled for. They received CBT as a treatment intervention to change their beliefs and irrational thoughts about the world of work. Measures of vocational identity, self-efficacy, and vocational …
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Does Race Matter? An Examination of Defendant Race on Legal Decision Making in the Context of Actuarial Risk Assessments
… are discussed. In particular, concerns about external validity, impression management, and sample demographics are emphasized.</p>
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Explaining associations between relational turbulence, communal coping, stressors, and relational satisfaction during military reunions: At-home partners' perspectives
… because of challenges with the construct and external validity in prior measures. Participants completed an online questionnaire that assessed their perceptions of post-deployment stress, relational satisfaction, communal coping, uncertainty, and partner interference. Results indicated that …
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