A Researcher Performs a Cross-Sectional Study Comparing the Video-Game Playing

question 19

Multiple Choice

A researcher performs a cross-sectional study comparing the video-game playing ability of 20-year-olds to 60-year-olds.The results indicate that the 20-year-olds learned to play a new game much faster than the 60-year-olds.However,the researchers are uncertain whether this indicates that the 20-year-olds' ability will decrease over time,or whether the 60-year-olds had more difficulty because they grew up before there were video games.What issue is this an example of?

• A)cohort effects
• B)attrition
• C)sampling bias
• D)scaffolding effects

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Definitions:

Intimacy

A close, familiar, and usually affectionate or loving personal relationship with another person or group.

Clitoral Engorgement

The physiological process of the clitoris filling with blood, leading to its swelling, which can increase sensitivity and sexual arousal.

Nitric Oxide

A gaseous signaling molecule involved in many physiological and pathological processes within the body, including vasodilation and neurotransmission.

Sexual Excitement

The arousal of sexual desires and responses in the body, potentially leading to sexual activity.