If a researcher wanted to study the effect of exposure time on memory for pictures, the researcher might operationally define the dependent variable as _____
a. exposure times of 1, 3, or 10 seconds c. giving everyone the same instructions
b. score on a memory test d. either a or b
B
The dependent variable is the presumed effect. It is what is measured by the experimenter. In this case, the experimenter is measuring memory, which is expected to change as exposure times change.
You might also like to view...
Lewin's law of group change argues that
a. it is usually easier to change individuals formed into a group than to change any one of them separately. b. once an individual identifies with the group, he or she will not change unless the group changes. c. leaders are the ones who are most able to change the attitudes and opinions of group members. d. behavior is a function of the person and the environment. e. when people in groups change, the change tends to be permanent rather than temporary.
Which of the following is true of collectivists?
A) They are more likely to conform to group judgments. B) They are unable to resist personal temptations to do their duty. C) They do not identify themselves in terms of their families or gender. D) They define themselves in terms of their personal identities.
According to socioemotional selectivity theory, ______.
A. adults with lower self-esteem are biologically programmed to be more conforming B. most older adults will conduct a life review C. the older we get, the more important it becomes to acquire knowledge D. shrinking social networks in adulthood are by choice
One result of tokenism is that it ________
a) increases the likelihood of minority group protests b) damages the self-esteem of biased majority-group members c) increases the likelihood of affirmative action lawsuits d) helps to maintain the perception that the existing system is fair