To determine the average degree of change, a meta-analysis uses

a. effect size.
b. participant distribution.
c. medical records.
d. actuarial data.

a

Psychology

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A procedure that is applied by an investigator based on two different experiences devised for subjects and participants is referred to as a

a. sample. c. treatment group. b. treatment. d. control group.

Psychology

What sets Aka fathers in central Africa apart from other hunter-gatherer fathers around the world?

a. They do not set eyes on their children until they turn 18 years of age. b. They never touch their female children. c. They spend a great deal of time holding and nurturing their children. d. They take over child rearing from the mothers when their children become toddlers.

Psychology