Pete Wanted to See Whether Caffeine Intake Increased a Subject's

question 13

Multiple Choice

Pete wanted to see whether caffeine intake increased a subject's arousal state. He randomly assigned 100 high school seniors to an experimental or control group. The experimental group drank a high caffeine soda, while the control group drank a caffeine-free soda. He then measured and compared arousal states for both groups. What type of design did Pete use?

• A) interrupted time series
• B) two-group posttest-only design
• C) classical experimental
• D) pretest-posttest

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Definitions:

Group Development

Group development refers to the stages a group goes through as it progresses from formation to achieving effectiveness, traditionally divided into forming, storming, norming, performing, and adjourning stages.

Termination

The process of bringing an employment or contractual agreement to an end.

Group Cohesiveness

is the degree to which members of a group are motivated to stay in the group and work together to achieve common goals.

Virtual Team

A group of individuals who work together from various geographical locations and rely on communication technology to collaborate.