Researchers Manipulated the Tail Length in Male Widowbirds and Compared

question 31

Multiple Choice

Researchers manipulated the tail length in male widowbirds and compared female preferences for males with different tail lengths.Do the results illustrated in the figure below show that male tail length is an honest signal of male quality?

• A)Yes, otherwise females would not prefer males with longer tails.
• B)Yes, the longer the tail the more energy males need to spend on growing it.
• C)No, just putting a longer tail on a male does not increase its quality.
• D)No, this study did not test whether birds with naturally long tails were of higher quality than birds with naturally short tails.

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Definitions:

False Memory

A phenomenon where a person recalls something that did not happen or recalls it differently from the way it actually happened.

Mood-Congruent Memory

The tendency of individuals to recall memories that are consistent with their current mood.

Chunking

A memory strategy that involves organizing information into manageable and meaningful units or chunks, facilitating easier recall.

Spacing Effect

Refers to the phenomenon where learning is more effective when study sessions are spaced out over time rather than conducted in one long session.