Dr Aris conducted an experiment to investigate social facilitation. He wanted to determine whether participants are faster at completing a complex manual dexterity task when being observed by an audience compared to when they perform the task alone. He recruited 60 volunteers and randomly allocated 30 of them to Condition A (with an audience) and 30 to Condition B (alone).
| Condition A (With an audience) | Condition B (Alone) | |
|---|---|---|
| Total number of participants who completed the task | 12 | 23 |
| Total number of participants who did not complete the task | 18 | 7 |
Identify the experimental design Dr Aris used in this investigation.
88 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.