During which stage does the Wheel of Science begin for a researcher undertaking a new study?
a. theory
b. hypotheses
c. observations
d. empirical generalizations
ANSWER: b
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Abnormalprocessingofwhichneurotransmitterhasbeenimplicatedincognitivedeclineinnormalaging,Alzheimer'sdisease,andschizophrenia?
A. Serotonin B. Dopamine C. Acetylcholine D. Cerebraltonin
Germany lost World War I and experienced severe problems with economic recession, unemployment, and horrific inflation during the 1920s. Which theory/theories best explains the rise of the Nazi party in Germany in the 1930s?
A. scapegoat theories B. culture-based theories C. Marxist analysis D. social distance theories
Economists Marianne Bertrand and Sendhil Mullainathan found that even when resumes are otherwise identical, those with White-sounding names got callbacks one in ______ times, while the Black-sounding "applicants" got only one in ______.
A. 5; 6 B. 5; 10 C. 10; 15 D. 10; 30
A psychologist has developed a theoretical model of perceived quality of life that includes seven predictor variables. If the reviewers of a manuscript have criticized the statistical analysis because a psychologist entered the seven independent
variables into a regression model and permitted a computer algorithm to determine which were statistically significant, the psychologist used a A) hierarchical regression method. B) stepwise regression method. C) logistic regression method. D) ordinary multiple regression.