A Level Psychology - Experimental Design

A Level Psychology - Experimental Design:

Types of Experiments Design:

1. Repeated Measures
2. Matched Pairs
3. Independent Measures

Repeated Measures:

• Each participant takes part in every condition being tested
• Each condition represents one level of the IV

Positives of Repeated Measures Design:

• Good control of participant variables as same people used
• Fewer participants needed than independent measures and matched pairs

Negatives of Repeated Measures Design:

• Order effects are produced, e.g. participants  do better on the 2nd set of testing
• Condition A may be easier than condition B
• Participants may guess the purpose of the experiments

Matched Pairs:

• Participants who are similar on…