True experiments have two key features that make them different from other studies. First, in a true experiment, the researcher manipulates (varies) one or more independent variables. Second, the researcher makes use of ____________________
Fill in the blank(s) with correct word
random assignment
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Secondary drives are ____.?
a. ?innate drives b. ?biologically driven c. ?a result of pairing with a primary drive d. ?only used to reduce pain responses e. ?reinforced only when primary drives are satisfied
Lifetime prevalence rates of eating disorders among women range from to %
a. 5; 37 b. 3.7; 5 c. 0.9; 3.5 d. 0.3; 2
A condition in which two or more persons must depend on one another to meet each person's needs or goals is called
a. deindividuation. b. mutual interdependence. c. status inequalities. d. an empathy-helping relationship.
The most important feature of a cross-sectional study is that it involves participants who belong to different
A) ethnic groups. B) cohorts. C) social classes. D) nationalities.