Psychology

Scientific method

Variables

Ratio

Data Collection

Individual data

Cohort effect

Hypothesis

A null hypothesis

An alternative hypothesis

Relatability

Confidentiality (privacy)

Difference between an independent and dependent variable

Nominal data

Ordinal

Interval

A controlled group

The purpose of an experimental group

Random allocation

Quality of research

Validity

Deception

Debriefing

Correlation and causation