Introduction to the Experimental Method: Experiments vs. Non-Experiments and the Role of True Experiments.

Laboratory Experiments: An Introduction to Controlled Scientific Investigation and Their Role in Psychology.

Field Experiments: An Introduction to Controlled Research in Natural Settings and Their Role in Psychology.

Natural Experiments: Exploring Research Where the IV is Not Manipulated and Their Role in Psychology.

Quasi-Experiments: Understanding Research Without Random Allocation of Participants.

Non-Experiments in Psychology: Research Methods Used When Ethical Concerns or Complex Variables Make Experiments Impossible.

Observational Techniques in Psychology: Exploring Types (Naturalistic, Controlled, Covert, Overt, Participant, Non-Participant) and Design Methods (Behavioural Categories, Event Sampling, Time Sampling).

Questionnaires and Interviews in Psychology: Self-Report Techniques, Structured and Unstructured Formats, and Effective Design with Open and Closed Questions.

Correlations in Psychology: Exploring Co-Variables, Positive, Negative, and Zero Correlations, Correlation Coefficients, and Their Distinction from Experiments.

Case Studies in Psychology: In-Depth Exploration of Individuals or Groups in Non-Experimental Research.