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A study compares cognitive functioning among two groups: 1) A group that reports using marijuana and 2) A group that reports no use of marijuana.
A study compares cognitive functioning among two groups: 1) A group that reports using marijuana and 2) A group that reports no use of marijuana. What is the explantory variable?
Select one:
a.
Cognitive functioning
b.
Marijuana use
c.How many years someone uses marijuana
d.
Change in cognitive abilities
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