Suppose That in a Twin Design Family Study, the Average

question 185

Multiple Choice

Suppose that in a twin design family study, the average trait similarity within identical twins was no higher than for fraternal twins. The same environment was shared within all twin pairs. This outcome implies that

• A)heritability for the trait is high.
• B)heritability is moderate.
• C)heritability is low.
• D)heritability cannot be estimated.

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Definitions:

Recognition

The cognitive process of identifying previously encountered objects, ideas, or situations.

Encode

The process of converting information into a particular form or code, especially in the context of memory or communication.

Working Memory

The part of short-term memory that is concerned with immediate conscious perceptual and linguistic processing.

Recall

The cognitive action of retrieving information or memories from the past.