Scientific Methods in Psychology

Psychology · Chapter 4 · 2. Methods of Psychology

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Scientific observation: field study, controlled and uncontrolled observation
Longitudinal and cross-sectional studies; the case history method
The experimental method: variables, controls and steps in an experiment
Surveys, questionnaires and self-reports; population and samples (random, biased, representative)
Psychological tests: definition, characteristics, uses and types
Ethical issues: voluntary participation, informed consent, debriefing, sharing results, confidentiality