Lab Experiment

Field Experiment

Natural Experiment

Questionnaires
(List of Q's; Highly Structured; Written)

Interviews
('Spoken Questionnaire'; Structured, Semi-Structured and Unstructured Interviews)

Aim

Hypothesis

Hypotheses

Repeated Measures: Same PP's used in both conditions

Independent Groups (Different group for each condition)

Matched Pairs (PP's closely matched and put in separate groups)

Types of Sampling

Naturalistic Observation

Controlled Observation

Validities

Observation Types

Demand Characteristics

Investigator Effects

Ethical Issues

Pilot Study