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6. State a disadvantage of the repeated measures design
- Participants can do better in the second trail as they may improve with practise (The ORDER EFFECT)
- Cannot control key variables
- Participants arr unhappy
- Researchers get confused as this stage
7. State one disadvantage of the Independent groups design
- The two groups can fight when the researchers transfer them
- People may turn up with too much confidence, given in valid findings
- Differences recorded may be due to indivdual differences, not the independent variable
- The variables are not controlled