If You and a Friend Watched an Episode of Family

question 73

Multiple Choice

If you and a friend watched an episode of Family Guy separately and counted the number of violent acts, you are likely to get different counts.Which threat to internal validity explains these results?

• A)attrition
• B)instrumentation
• C)testing
• D)diffusion of treatment

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Definitions:

Absolute Threshold

The minimum stimulus intensity that an organism can detect at least 50% of the time.

Selective Attention

The process by which a person focuses on one or a few sensory inputs while ignoring other stimuli.

Perceptual Set

A tendency to perceive or notice some aspects of the available sensory data and ignore others, influenced by expectations, emotions, and culture.

Expectancy Effect

The phenomenon where a researcher's expectations influence the outcome of a study.