According to Scarr and McCartney, What Is the Main Reason

question 116

Multiple Choice

According to Scarr and McCartney, what is the main reason that identical twins continue to have similar IQ scores throughout life, whereas the resemblance of IQ scores between fraternal twins decreases with time?

• A)Genotype is the primary determinant of IQ.
• B)Environment is the primary determinant of IQ.
• C)Identical twins actively select more similar environments than do fraternal twins.
• D)Genotype determines an individual's environment in both childhood and adulthood.

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Definitions:

Replication

Repetition of a research study to confirm or contradict the results.

Cognitive Psychology

The branch of psychology that studies mental processes such as perception, thinking, memory, and decision-making.

Neuroscience

Neuroscience is the scientific study of the nervous system, aimed at understanding the biological mechanisms that underlie behavior, cognition, and various brain functions.

Industrial/Organizational Psychology

A branch of psychology that studies human behavior in the workplace and applies psychological theories and principles to organizations and individuals.