Which of the following is mentioned in the text as a complicating factor in interpreting findings from studies of the effects of marijuana?

a) Marijuana contains many compounds.
b) Many users are polydrug abusers.
c) Effects vary widely with potency and dose.
d) It's problems were recognized only recently.

c

Psychology

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Our visual sensation of a passing automobile would be initially stored in ___________

a. the sensory registers b. short-term memory c. long-term memory d. the hippocampus

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What is the main thing that IQ tests try to predict?

a. Mental health b. Levels of brain activity c. Social and emotional adjustment d. Performance in school

Psychology