Which of the following is both a symptom seen in schizophrenia as well as being a disorder in the DSM-5 and

is characterized by stupor, rigidity, unresponsiveness, posturing, mutism, and, sometimes, agitated, purposeless behavior?
a. catatonia
b. paranoia
c. neurosis
d. dysphoria


ANSWER: a

Psychology

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An experiment in which extraneous variables are controlled is said to be

a. internally reliable b. internally valid c. externally valid d. externally reliable

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According to Goldberger and Holt, individuals who are emotionally secure:

a. can withstand long periods of stimulus deprivation with no problems b. are more sensitive to stimulus deprivation side-effects than neurotic individuals c. show minimal harmful effects due to short term stimulus deprivation d. can profit from isolation experiences if not protracted or severe

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Conception occurs when the

a. egg is released from the ovary. b. egg and sperm unite. c. fertilized egg makes its first division. d. embryo implants into the uterine lining.

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Answer the following statement(s) true (T) or false (F)

Flashbacks from a hallucinogenic experience are normally unpleasant and long-lasting.

Psychology