Data from the Standardization Samples for the Standford-Binet and Wechsler

question 140

Multiple Choice

Data from the standardization samples for the Standford-Binet and Wechsler scales suggest that since the 1970's,the gap in IQ scores between blacks and whites has:

• A) shrunk by about 4 to 7 points
• B) disappeared
• C) widened by about 4 to 7 points
• D) stayed the same

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Definitions:

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also associated with empathy, trust, sexual activity, and relationship-building behaviors.

ACTH

Adrenocorticotropic Hormone, a pituitary hormone that stimulates the production of cortisol from the adrenal cortex.

Adenohypophysis

The anterior lobe of the pituitary gland responsible for secreting several key hormones that regulate various physiological processes.

Prostaglandin

Class of physiologically active substances present in many tissues; among its effects are vasodilation, stimulation and contraction of uterine smooth muscle and the promotion of inflammation and pain.