Why should no-treatment or waiting-list control design be used sparingly?
a) They present ethical problems.
b) They are expensive and difficult to maintain.
c) They do not important to most designs.
d) Treatment effects are less powerful than other designs.
Correct Answer: a
Psychology
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a. monsters b. strangers c. falling d. loud noises
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Costa and McCrae's model of personality, which includes dimensions like conscientiousness, neuroticism, and openness to experience, is commonly referred to as the ____ model
a. humanistic b. centrality c. five-factor d. psychodynamic
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