A Group of College Students Is Participating in a Memory

question 25

Multiple Choice

A group of college students is participating in a memory study that involves performing the same task each day under different circumstances; however, as each day goes by, the students are obviously getting more comfortable with completing the task. Which threat to internal validity has confounded this study?

• A) History
• B) Selection bias
• C) Practice
• D) Fatigue

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Definitions:

Learning

Learning is the process of acquiring new understanding, knowledge, behaviors, skills, values, or preferences, often as a result of study, experience, or teaching.

Memory

The cognitive ability to remember and recall previous experiences, events, facts, and impressions.

Negative Reinforcement

A psychological concept where the removal of an unfavorable event or outcome after the display of a behavior increases the likelihood of that behavior being repeated in the future.

Thorndike's Law Of Effect

A psychological principle stating that behaviors followed by satisfying consequences are more likely to be repeated, while those followed by unpleasant consequences are less likely to be repeated.