01813nam a2200277Ia 450000500170000000800470001724500890006410000200015370000210017326000580019425000200025230000350027230000100030750000190031702000180033665000240035465000230037865000250040165000230042605000210044954600150047050510150048533600090150033700150150933800110152420260803094237.0251212s2020 xx 000 0 und d©©©1 aIntroduction to research in the health sciences /cStephen Polgar; Shane A. Thomas. aPolgar, Stephen aThomas, Shane A. aSingapore :bElsevier (Singapore) Pte. Ltd.,c©2020. aSeventh edition avi, 213 pages: bIllustrations c24 cm aIncludes index a9789814920438 aBiomedical research aHealth and fitness aHealth and wellbeing aMedicinexResearch a610.72 P75i 2020 ain English a I: Methodological foundations of health research Foundations of health research Quantitative and qualitative methods The research process II: Research planning The formulation of research questions Sampling methods and external validity Ethics III: Research designs Experimental designs and randomized controlled trials Surveys and quasi-experimental designs Qualitative research IV: Data collection Questionnaires and survey design Mixed methods Interviewing techniques Measurement and observation V: Descriptive statistics Organization and presentation of data Measures of central tendency and variability Standard scores and normal distributions Correlation VI: Data analysis and inference Probability and confidence intervals Hypothesis testing Effect size and the interpretation of evidence Qualitative data analysis Critical evaluation of published research VII: Evaluation and dissemination of research results Synthesis of research evidence: systematic reviews and meta-analyses Translational research atext aunmediated avolume