epidemiological research

incidence rates

prevalence rates

correlates

risk factor

cause

moderator variable

mediator variable

randomized controlled trials (RTC's)

treatment efficacy

treatment effectiveness

reliability

internal consistency

test-retest reliability

validity

convergent validity

discriminant validity

EEG (electroencephalogram)

naturalistic observation

structured observation

external validity

retrospective design

real-time prospective designs

analogue research

4 types of research designs

single-case experimental design

A-B-A-B reversal design

multiple-baseline design

cross-sectional research

qualitative research