Down syndrome is linked to:

a. alcohol abuse by the father.
b. abnormalities of the 21st pair of chromosomes.
c. sex-linked chromosomal abnormalities.
d. alcohol abuse by the mother.


B

Psychology

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By late adolescence,

a. the number of cross-sex friends tends to decrease significantly. b. intimacy in friendships tends to decrease. c. friends are no longer chosen on the basis of psychological qualities. d. self-disclosure in friendships tends to decrease.

Psychology

Chris does not like it when his infant son, Jacob, cries. Chris finds that if he makes goofy faces while Jacob is crying, Jacob will stop. Which learning principle best explains why Chris is more likely to make goofy faces in the future to make Jacob stop crying??

a. ?positive reinforcement b. ?classical conditioning c. ?negative reinforcement d. ?stimulus generalization

Psychology

Careers in health psychology include:

a. academic or a medical center c. rehabilitation centers b. governmental agencies d. All of the these

Psychology

A diet of cheese, peanut butter, cookies, bananas, marshmallows, and chocolate is referred to as a "__________" diet

a. Yo-Yo b. freshman c. supermarket d. preschool

Psychology