Research Methods

Independent Groups Design
(definition)

Independent Groups Design
(strengths)

Independent Groups Design
(weaknesses)

Matched Participants Design
(definition)

Matched Participants Design
(strengths)

Matched Participants Design
(weaknesses)

Repeated Measures Design
(definition)

Repeated Measures Design
(strengths)

Repeated Measures Design
(weaknesses)

Random Sampling
(definition)

Random Sampling
(strengths)

Random Sampling
(weaknesses)

Stratified Sampling
(definition)

Stratified Sampling
(strengths)

Stratified Sampling
(weaknesses)

Random Stratified Sampling
(definition)

Convenience Sampling
(definition)

Convenience Sampling
(strengths)

Convenience Sampling
(weaknesses)

Placebo Effect

Single-blind Procedure

Double-blind Procedure

Order Effect

Participant Variables

Qualitative Data

Quantitative Data

Subjective Data

Objective Data

Descriptive Statistics

Inferential Statistics

Confidentiality

Voluntary Participation

Withdrawal Rights

Informed Consent

Deception

Debriefing

No Lasting Harm