According to Some Psychologists, There Is a Heritability Estimate of About

question 49

Multiple Choice

According to some psychologists, there is a heritability estimate of about 50 percent for intelligence in the general population. This statement means that:

• A)half of an individual's IQ score is due to genes, and the other half is due to environmental factors.
• B)the intelligence of about half of the general population is primarily determined by their genes, and the intelligence of the other half is primarily determined by their environment.
• C)about half of the difference in IQ scores among people within a particular group is due to differences in their genetic makeup.
• D)half of the population have IQ scores that are above the inherited norm, and half of the population have IQ scores that are below the inherited norm.

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Definitions:

Depressant Drug

A substance that reduces the functioning of the nervous system, often used to induce calming or sleep-inducing effects.

Central-Nervous-System Activity

The integrated activities within the brain and spinal cord that regulate bodily functions and respond to internal and external stimuli.

Alcoholism

Disorder that involves long-term, repeated, uncontrolled, compulsive, and excessive use of alcoholic beverages and that impairs the drinker’s health and social relationships.

Dependent On Alcohol

A condition where an individual experiences a compulsive need for alcohol and struggles to control their drinking habits.