Spearman Inferred the Existence of a "G" Factor in Intelligence

question 155

Multiple Choice

Spearman inferred the existence of a "g" factor in intelligence because of his evidence that, on the average,

• A) people who live in prosperous countries do better on IQ tests than those in poorer and less educated countries.
• B) each generation of people scores higher on IQ tests than the last generation.
• C) people who do well on a test of one ability also do well on tests of other abilities.
• D) high-IQ parents tend to have high-IQ children.

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Definitions:

Depression

A mood disorder characterized by persistent feelings of sadness, loss of interest, and a lack of pleasure in daily activities.

Tardive Dyskinesia

A neurological syndrome characterized by repetitive, involuntary, purposeless movements, often caused by long-term use of certain psychiatric drugs.

Neuroleptic Drugs

These are a class of medications primarily used to manage psychosis, particularly in schizophrenia and bipolar disorder, by blocking dopamine receptors.

Neurological Disorder

A disorder affecting the nervous system, often resulting in various dysfunctions related to movement, communication, or cognitive abilities.