People with PKU need to follow a diet that limits phenylalanine - which is found in foods mostly rich in protein. By limiting the amount of phenylalanine, the effects of the condition (e.g. neurological problems, rashes, intellectual disability, etc) can be greatly reduced. What does this demonstrate?

a. A genotype-environment interaction
b. The difference between one’s chromosomal pattern and his or her genetic pattern
c. The diathesis-stress model
d. The principle of polygenetic inheritance


a. A genotype-environment interaction (Genetic and environmental effects are not independent sources of influence on behavior, but rather, genotype can influence an individual's exposure to certain environments, how that individual experiences the environment, and the degree of influence that certain environments exert.)

Psychology

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Freud was the first to describe __________, a part of the mind that could contain information of which the mind itself is unaware, but by which it is still affected.

A. catharsis B. the unconscious C. hysteria D. operant conditioning

Psychology

The tendency to alter perceptions, opinions, and behavior in ways that are consistent with group norms is called

a. psychological reactance. b. compliance. c. obedience. d. conformity.

Psychology

What requires the creation of possible selves?

a. Postformal thought b. Reflective thinking c. Crystallized intelligence d. Projecting yourself into the future

Psychology

What are the smallest units of meaning in a language?

A. words B. syntax C. phonemes D. morphemes

Psychology