Which statement about research on the genetics of schizophrenia is accurate?

a. Too little genetic research has been done to come to any conclusions.
b. Heredity appears to play almost no role in causing schizophrenia.
c. Schizophrenia occurs only among identical and fraternal twins.
d. Multiple genes interact, while single genes make only a minor contribution.


D

Psychology

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Paracelsus introduced the notion of psychic or mental causes for abnormal behavior and posed a treatment that would become known as

a. behaviorism. b. hypnosis. c. asylums. d. tarantism.

Psychology

Damian is 12 years old. He can read cereal boxes and street signs. He has considerable self-help

skills and can travel on the school bus. However, his mathematical skills are limited to counting and simple addition. Damian is most likely functioning at what level of mental retardation? a. Mild b. Moderate c. Severe d. Profound

Psychology

What was the dominant cause of death until the 20th century?

a. cardiovascular disease b. infectious diseases c. cancer d. accidents

Psychology

Some developmentalists have considered the combination of race and gender as simultaneously affecting an adolescent's self-esteem, thus coining the term __________

a) self-concept b) ethgender c) multiple gender identity d) identity versus identity confusion stage.

Psychology