The primary advantage of a stratified random sample is that it ____
a. ensures that group sizes will be adequate for statistical analysis
b. provides a sample that is guaranteed to be representative of the population
c. ensures that no single group is over-represented in the sample
d. does not require pre-existing knowledge about the population
a
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If drugs are considered necessary to maintain one's emotional wellÂbeing, then which of the following exists?
a. a psychological dependence b. a situational dependence c. a physical dependence d. drug withdrawal
Which theory of aggression builds on social learning theory and provides a more integrative framework for specific theories of aggression by including situational and personal variables?
a. Instinct theory b. General Aggression Model c. Frustration aggression theory d. Cognitive-neoassociation theory