Search Results - "clinical trials"

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    Quality of life the assessment, analysis, and interpretation of patient-reported outcomes

    Published 2007
    Table of Contents: “…Principles of measurement scales -- Developing a questionnaire -- Scores and measurements: validity, reliability, sensitivity -- Multi-item scales -- Factor analysis and structural equation modelling -- Item response theory and differential item functioning -- Item banks, item listing and computer-adaptive tests -- Choosing and scoring questionnaires -- Clinical trials -- Sample sizes -- Cross-sectional analysis -- Exploring longitudinal data -- Modelling longitudinal data -- Missing data -- Practical and reporting issues -- Quality-adjusted survival -- Clinical interpretation -- Meta-analysis.…”
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    A clinician's guide to statistics and epidemiology in mental health measuring truth and uncertainty by Ghaemi, S. Nassir

    Published 2009
    Table of Contents: “…Why data never speak for themselves -- Why you cannot believe your eyes : the three C's -- Levels of evidence -- Types of bias -- Randomization -- Regression -- Hypothesis testing : the dreaded p-value and statistical significance -- The use of hypothesis testing statistics in clinical trials -- The better alternative : effect estimation -- What does causation mean? …”
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