18 Correlation Chapter Contents Introduction Correlation Correlation coefficients Selection of correlation coefficients Calculation of correlation coefficients Uses of correlations in the health sciences Estimating associations between variables Reliability and predictive…
24 Synthesis systematic reviews and meta-analyses Chapter Contents Introduction Basic principles Narrative reviews of research evidence Systematic reviews Research questions Theoretical framework for systematic reviews Search strategy for systematic reviews …
4 The formulation of research questions Outline Introduction Identifying research problems Environmental and social changes Demographic changes Scientific and technological advances The cost-effectiveness of health services Literature reviews and research …
9 Single case (n = 1) designs Chapter Contents Introduction AB designs ABAB designs Multiple baseline designs Interpretation of the results for n=1 designs Hypothetical example The validity of n=1 designs Summary …
14 Measurement Chapter Contents Introduction Operational definitions and measurement Objective and subjective measures Desirable properties of measurement tools and procedures Reliability Validity Standardized measures and tests What makes a good…
7 Experimental designs and randomized controlled trials Chapter Contents Introduction The concept of causality Confounding and bias in research studies The use of control groups in applied health research Assignment…
11 Questionnaires Chapter Contents Introduction Questionnaire construction Questions and questionnaire formats Open-ended and closed-response question formats Likert scales and forced-choice response formats The wording and design of questions The overall…
5 Sampling methods and external validity Chapter Contents Introduction What is sampled in a study Basic issues in sampling Representative samples Incidental samples Random and systematic samples Sample size Sampling…
13 Observation Chapter Contents Introduction Overview of different approaches to observation Who is to make the observations? Settings in which observation is conducted Issues in the use of unaided observation…
22 Qualitative data analysis Chapter Contents Introduction Understanding meaning in everyday life Coding qualitative data Predetermined coding Coding and thematic analysis Content analysis Thematic analysis, ‘verstehen’ and grounded theory Interpretation…
