In Canada and Western Europe, where community- and school-based clinics offer adolescents contraceptives and where universal health insurance helps pay for them, __________ than in the United States
A) teenage sexual activity is much higher
B) teenage sexual activity is much lower
C) pregnancy, childbirth, and abortion rates are much higher
D) pregnancy, childbirth, and abortion rates are much lower
D
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Researchers (Fredrickson et al., 1998) tested the effect of self-objectification on math performance by having participants wear either a swimsuit (self-objectification condition) or a sweater (control condition) while taking a math test. This study lacks _____ because _____.
a. mundane realism; the experimental situation is unlike "real life." b. mundane realism; the participants were unlikely to truly feel self-objectified. c. experimental realism; the experimental situation is unlike "real life." d. experimental realism; the participants were unlikely to truly feel self-objectified.
Dr. Perry can increase the chances that participants' characteristics will be equally distributed across the treatment groups by
A) carefully assigning the participants to the treatment groups according to their medical histories. B) adding confounding variables to the experiment. C) randomly assigning the participants to the treatment groups. D) manipulating the dependent variable when exposing the participants to treatment conditions.