The title of Dr. Doublemint's latest bestseller is Why Identical Twins Differ from Each Other. Given this title, it is safe to assume that Dr. Doublemint's primary interest is in the _____ goal of psychology.
A. prediction
B. optimization
C. explanation
D. description
Answer: C
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The Abecedarian study, which provided full-day, year-round education to low-income African American children from 6 weeks to 5 years of age, __________.
A. produced benefits for cognitive skills but not for social behavior compared to the control group B. had benefits for progress in school but did not reduce delinquency compared to the control group C. did not affect the likelihood of repeating a grade or being in special education classes D. led to higher attendance at four-year colleges, compared to the control group
The Pearson correlation coefficient is used ______.
A. to quantify an association between two categorical variables B. to test null hypotheses about means in a bivariate normal distribution C. to quantify the strength of association between two ratio variables D. when a pair of variables are ordinal measurement
Ali, a war veteran, has had nightmares, flashbacks, and anxiety attacks for the past three years. Ali is most likely suffering from __________
a) acute stress disorder. b) external locus of control. c) catastrophic stress. d) post-traumatic stress disorder (PTSD).
Your grandmother has had a stroke, and although her vision is not affected, she does not recognize your face. However, she does recognize your voice. It sounds like your grandmother has developed ______.
A. blind sight B. object agnosia C. Alzheimer's D. prosopagnosia