What you’ll learn7 learning objectivesChoose one objective for a focused lesson, or study the complete topic.2.4.1Data representation• Understand that data is represented and analysed in different forms depending on design and data type.• Interpret tables, graphs and research results.Syllabus objective2.4.2Descriptive statistics• Analyse and interpret mean, median, mode, range, standard deviation and semi-interquartile range.Syllabus objective2.4.3Inferential statistics• Interpret common tests of difference and relationship, including chi-square, t-tests, Mann-Whitney, Wilcoxon and correlations.• Understand effect size and statistical significance.Syllabus objective2.4.4Thematic analysis• Understand stages of thematic analysis for finding patterns in textual data and grouping them into research-relevant themes.Syllabus objective2.4.5Credibility• Explain strategies for ensuring credibility in psychological research.Syllabus objective2.4.6Research methods• Differentiate experiments, observations, surveys, interviews, correlational studies and case studies.• Select suitable methods for psychological questions and evaluate advantages, disadvantages, ethics and external variables.Syllabus objective2.4.7Sampling techniques• Explain advantages and disadvantages of self-selected, opportunity, stratified, random and snowball sampling.Syllabus objective