In an Experiment Investigating the Hypothesis That Aerobic Exercise Improves

question 236

Multiple Choice

In an experiment investigating the hypothesis that aerobic exercise improves concentration and memory, all the participants had an equal chance of being assigned to any of the three conditions in the study. The researchers used _____ to minimize the possibility of bias when assigning participants to the different groups.

• A) the practice effect
• B) random assignment
• C) the single-blind technique
• D) the double-blind technique

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Definitions:

Happiest People

Individuals characterized by high levels of life satisfaction, positive emotions, and a general sense of well-being, often studied in positive psychology.

Negative Information

Information that is perceived as undesirable, harmful, or contrary to one's expectations or wishes.

Depression-related Words

Terms and expressions commonly associated with depression, reflecting symptoms, treatments, and experiences related to the mood disorder.

Nondepressed Participants

Individuals who do not exhibit symptoms of depression and are often used as a control group in psychological research.