Keeping a participant unaware of the purpose of the study in which they are participating is one way to help reduce the ___________ effect in research
a. placebo
b. observer-expectancy
c. subject-expectancy
d. demand
Answer: C
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Which of the following statements about women's health is correct?
a. More women die of cardiovascular disease than of all forms of cancer combined. b. More women die of breast cancer than of any other kind of cancer. c. More women die of breast cancer than of heart disease. d. The most common cause of death in men is cardiovascular disease, whereas the most common cause of death in women is now lung cancer.
When Hans Selye injected laboratory rats with saline (salty water), what happened to the rats?
a. Nothing; saline is harmless and only used as a control condition b. Nothing; rats recover quickly from stress because they are not prone to anxiety as humans are c. They developed ulcers, because saline has since been discovered to have negative health consequences d. They developed ulcers, because stress directly affected their physiology.
Cell adaptation theory assumes that a drug's action occurs on specific cells in the central nervous system
a. True b. False Indicate whether the statement is true or false
A psychologist discovers that moderate, but unpredictable, noise during a cognitively demanding task leads to a significant increase in negative evaluations of their partners by participants doing the task in cooperation with another student. Whether a similar level of unpredictable noise occurring in a college dormitory will have an adverse effect on students' evaluations of their roommates is
an issue of a. sample generalization. b. a density effect. c. an interaction. d. variable representativeness.