In psychophysical experiments, it is possible to generate the ROC function by changing the participant's decision criterion from conservative to liberal. The experimenter can change the decision criterion by
a. changing the probability that a stimulus rather than noise only will be presented.
b. changing the payoffs for hits and false alarms.
c. changing the proportion of trials on which a target is presented
d. all of these.
B
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According to the original Roe v. Wade decision in 1973,
a. women have the legal right to choose abortion. b. federal funding may not be used for abortion. c. life doesn't begin until the child is born. d. a waiting period is required before an abortion can be performed.
The fact that Orson is extremely obese appears to be completely due to one pair of genes that he received (one from mom and one from dad). In this case, Orson's obesity is best explained by
a. single gene-pair inheritance. b. polygenetic effects. c. dominant genes. d. sex-linked traits.
An advantage of holding a variable constant rather than using random assignment to form your groups is that holding a variable constant ____
a. reduces error due to participant differences b. is easier than randomization c. prevents confounding d. ensures a nonbiased sample
Children raised by warm parents are more likely to:
a. develop a sense of conscience. b. act in aggressive ways with other children. c. be perceived as naughty. d. have poor social and emotional well-being.