Many aspects of the Tuskegee Syphilis Study were unethical. Which of the following did NOT occur in that study?
a. Participants were led to believe they were receiving treatment.
b. Participants were denied penicillin, which was determined to be an effective cure.
c. Participants unknowingly passed the disease onto their wives.
d. Participants were required to refer their friends to participate in the study.
Ans: D
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When might a researcher find a "cohort effect"?
a. If a researcher compares the same people before and after a traumatic event b. If a researcher compares people who were born in different eras c. If a researcher compares people who have different hobbies and interests d. If a researcher compares people of different heights and weights
When a human body has exhausted fat stores, how does it generate energy?
a. The body activates the dopaminergic system b. Through the parasympathetic nervous system c. Through exercise d. Metabolizing muscle tissue
Children show preferences for gender-typed toys by 15-36 months of age
a. True b. False Indicate whether the statement is true or false
According to the introduction to the section on problem understanding,
a. understanding occurs when we have evolved an external representation for an internal problem. b. a primary criterion for understanding is the ability to represent the problem in matrix form. c. attention is necessary for problem solution, but it is not essential for problem understanding. d. understanding requires a close correspondence between the situation you need to understand and your own internal representation.