What is an item characteristic curve?
a. A line that describes the probability of answering an item correctly plotted against the level of ability on the trait being measured
b. A line that describes the distribution of responses to a single item on the trait being measured
c. A histogram constructed for the responses to a single item on the trait being measured
d. A line similar to the normal curve that results from graphing the discrimination index against difficulty level for the trait being measured
a. A line that describes the probability of answering an item correctly plotted against the level of ability on the trait being measured
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Mary is a "night person" and Gary is a "morning person.". This difference is probably due to differences in their
a. REM sleep patterns. b. cytoplasm. c. circadian rhythms. d. use of alcohol.
Yerkes' discovery of insight was labeled "ideational learning."
a. True b. False
Which of the following sleep disorders is similar to experiencing nightmares?
A) Narcolepsy B) Insomnia C) Sleep apnea D) Sleep terrors
When Jeremy found out he made it to the second round of
interviews for a job he wanted, he strongly believed it was due to his qualifications and talent. When he found out he was not chosen for the job, he assumed it was because the interviewers simply could not see what a great candidate they had in him. This exemplifies the _____ a) self-serving bias. b) fundamental attribution error. c) just cause effect. d) actor-observer effect.