The unique geography of the United States has historically encouraged isolation
Indicate whether this statement is true or false.
True
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Between-groups variance is a function of
A) experimental variance only. B) experimental effects and confounding variables. C) error variance only. D) general variance.
Which of the following does NOT represent an important ethical safeguard in doing research with children?
A) assuring that the study is competently designed and carried out B) getting informed consent from the children themselves C) getting informed consent from the children's parents D) getting the children's assent to participate in the research
One reason why Africa still suffers from severe conflict is that colonial powers divided the continent along artificial lines
Indicate whether this statement is true or false.
To be effective, propaganda must
a. focus almost entirely on emotions. b. emphasize intellectual concerns. c. be reasonable in its approach. d. be directed toward the educated members of society. e. be packed with lies.