Professor Menendez conducted an experiment to investigate the effects of a new medication for treating the
symptoms of obsessive-compulsive disorder.
Part A
Explain the concept of compulsion in the context of obsessive-compulsive disorder.
Part B
Explain why each of the following would be used in this experiment to help establish cause and effect.
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Random assignment
Placebo condition
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Part C
Professor Menendez presented the research at an international conference. After the presentation, audience
members met in small groups to discuss the research.
Explain how each of the following may affect the attendees’ discussion of the research.
Groupthink
Display rules
Belief perseverance
Cocktail party effect