Dr. Yates forms the hypothesis that students who sleep more prior to taking an exam will score higher on the exam than students who sleep less. Half of the students sleep eight to nine hours the night before the exam. The other half sleep only four to five hours the night before the test. She then gives the participants an exam. In this experiment, what is the dependent variable?
a. The group that sleeps eight to nine hours
b. The performance on the exam
c. The group that sleeps four to five hours
d. Whether they slept four to five or eight or nine hours
b
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Which set of aging theories proposes that the mechanical functions of the body simply wear out over time?
A. wear-and-tear theories of aging B. inevitable death theories of aging C. life expectancy theories of aging D. genetic programming theories of aging
Which of the following would NOT be a type of applied psychologist?
a. a school psychologist b. an industrial/organizational psychologist c. a human factors psychologist d. a developmental psychologist
Sexual _____ is the specific term given to the words or actions a person uses to indicate that they voluntary, freely agreeto engage in mutually agreed-upon sexual activities
a. coercion b. contract c. consent d. approval
If Greg has two older brothers, his chance of being homosexual is increased by __________.
A. 0 percent B. 33 percent C. 66 percent D. 99 percent