19 Probability and confidence intervals Chapter Contents Introduction Probability Sampling distributions Sampling distribution of the mean Calculating confidence intervals Confidence intervals using the t distribution Confidence intervals in health research …
20 Hypothesis testing selection and use of statistical tests Chapter Contents Introduction The logic of hypothesis testing Steps in hypothesis testing Illustrations of hypothesis testing The relationship between descriptive and…
15 Organization and presentation of data Chapter Contents Introduction The organization and presentation of nominal or ordinal data Organization of discrete data Graphing discrete data Organization and presentation of interval…
16 Measures of central tendency and variability Chapter Contents Introduction Measures of central tendency The mode The median The mean Comparison of the mode, median and mean Measures of variability …
17 Standard scores and normal distributions Chapter Contents Introduction Standard scores (z scores) Normal distributions The standard normal curve Calculations of areas under the normal curve Critical values Standard normal…
21 Effect size and the interpretation of evidence Chapter Contents Introduction Effect size Effect size with continuous data Effect size with discontinuous data Confidence intervals and effect size Calculating confidence…
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 …
