Melatonin is to __________ as an aspirin is to __________

a) nausea; nightmare.
b) nightmare; blood clots.
c) insomnia; headache.
d) apnea; blood thinner.

c

Psychology

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Professor Gimbly wants to investigate how children of different ages characterize their friendships. Professor Gimbly should use a __________ research design

A) cross-sectional B) sequential C) correlational D) longitudinal

Psychology

In order to make a diagnosis of selective mutism

A) other developmental delays must be ruled out. B) the child must be at least four years old. C) the condition must persist for at least 2 months. D) the child must know the language.

Psychology