Hypothesis

Variable

Independent Variable

Dependent Variable

Experiment

Condition

Formulating a hypothesis

Participant

Order Effect

Participant Variables

Independent Groups Advantages

Independent Groups Disadvantages

Repeated Measures Adavantages

Repeated Measures Disadvantages

Matched Pairs Advantages

Matched Pairs Disadvantages

Standard Procedures

Random Allocation

Counterbalancing

How to counterbalance

Instructions

Extraneous Variables

Stages of Instructions

Briefing

Standardised Instructions

Debriefing

Randomisation

Ecological Validity

Objectivity

Experiments Advantages

Experiments Disadvantages

Sample

Target Population

Representative

Generalised

Random Sample

Opportunity Sample

Systematic Sample

Stratified Sample

Random Sample advantages

Random Sample Disadvantages

Opportunity Sample Advantages

Opportunity Sample Disadvantages

Systematic Sample Advantages

Systematic Sample Disadvantages

Stratified Sample Adavantatges

Stratified Sample Disadavantatges

Measures of central tendency

Measures of dispersion

Anomalous Result

Ethical Considerations

Ethical Issues

BPS Guidelines