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:

Nonverbal Communication

The process of conveying a message without the use of words, such as through body language, gestures, and facial expressions.

Unwritten Messages

Non-verbal or implicit forms of communication that convey information without the use of clear, written language.

Unspoken Messages

Communication that is conveyed through means other than words, such as through actions or body language.

Nonverbal Communication

The exchange of information or expression of feelings without the use of spoken language, often through gestures, facial expressions, and body language.