A Study Is Conducted to Determine the Effectiveness of Group

question 30

Multiple Choice

A study is conducted to determine the effectiveness of group therapy on abstinence among older people who are substance abusers. The older people involved in the study either receive group therapy or they are in a comparison group. The presence of a comparison group suggests

• A) older people were randomly assigned to one of the two groups (group therapy or comparison)
• B) older people were not randomly assigned to one of the two groups (group therapy or comparison)
• C) the two groups are equivalent on all important characteristics
• D) all alternative explanations can be ruled
• E) the two groups were matched on important characteristics

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Definitions:

Medial Forebrain Bundle

A neural pathway in the brain involved in the regulation of reward, pleasure, and motivation.

Posterior Hippocampus

The region at the back part of the hippocampus in the brain, involved in memory formation and spatial navigation.

Cerebral Cortex

The outer layer of neural tissue of the cerebrum of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Cerebrum

The largest part of the brain responsible for higher brain functions, including thought, action, emotion, and reasoning.