Experiment Design

An experimental design where participants take part in only one condition.

• Repeated measures

• Independent measures

• Matched pairs

Experimental design where participants take part in more than one condition

• Independent measures

• Repeated measures

• Matched pairs

Experimental design where people take part in only one condition but they have been carefully matched with another person in the other group based on any participant variables that might affect the DV (e.g. IQ, personality)

• independent measures

• repeated measures

• matched participants

One problem with an independent measures design is that it can be hindered by....

• order effects

• participant variables

• sampling bias

• researcher expectancy

One problem with the match participants design is...

• order effects

• participants variables

• time consuming to set up

• the effects of randomisation

One problem with repeated measures is that the study can be affected by...

• participant variables

• order effects

• randomisation

• counterbalancing

Random allocation improves the balance of groups in a

• independent measures design

• correlational design

• repeated measures design

Which is not an example of an order effect

• fatigue

• practice

• boredom

• situation

If using a repeated measures design you must .....

• Balance your groups

• Use new materials

• Match your participants

• Use the same materials

Repeated measures, Independent groups and Matched Participants are all ways of setting up.....

• Observations

• Questionnaires

• Interviews

• Experiments