A researcher examines the effects of marijuana on cognitive functioning. He assigns adults who receive less than 5 hours of sleep per night to the experimental condition and adults who receive 8 hours or more of sleep per night to the control condition. He concludes that marijuana does lower cognitive functioning. Sleep is:
a. an independent variable
b. a dependent variable
c. confounding variable
d. the experimental group
e. the control group
Ans: a. an independent variable
Psychology
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Psychology
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A) The novelty metaphor B) The spotlight metaphor C) The limited capacity metaphor D) The theater metaphor E) The DICE metaphor
Psychology