Researchers Understood That KF Had Experienced a Decline in Short-Term

question 32

Multiple Choice

Researchers understood that KF had experienced a decline in short-term memory capacity because he had a digit span of ________ .

• A) one
• B) two
• C) four
• D) six

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Definitions:

Twin Study

A study examining twins raised apart and together, usually to explore whether characteristics are caused by genetics or environment.

Nature-Versus-Nurture

A debate concerning the relative importance of an individual's innate qualities (nature) versus personal experiences (nurture) in determining or causing differences in physical and behavioral traits.

Monozygotic Twins

Identical twins sharing the same genetic profile.

Dizygotic Twins

Also known as fraternal twins, these are siblings born at the same time but from two different eggs fertilized by separate sperm, sharing about 50% of their DNA.