Which of the following statements is true about obsessive-compulsive disorder?
A. It involves intrusive, unpleasant thoughts and repetitive behaviors.
B. It involves persistent, unfocused anxiety.
C. It is most often diagnosed during adolescence.
D. It affects men more often than women.
A. It involves intrusive, unpleasant thoughts and repetitive behaviors.
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Suppose that you are leading a group project. Research suggests that, in order for your group to be as effective as possible, you should ____
a. give people complete confidence in the group by telling them never to criticize any ideas that are raised in group discussions b. require group members to brainstorm all ideas collaboratively as a team, rather than to think up ideas independently c. have different people "specialize" in different tasks or content areas d. encourage in the group a sense of being on the moral high ground
Robert lightly taps the student sitting in front of him on the shoulder. The student doesn't notice, so Robert taps harder. The minimum pressure Robert must tap such that the other student notices half of the time is called:
A) the absolute threshold. B) the just noticeable difference. C) Weber's law. D) the relative threshold.
When Sperling investigated sensory memory, he found that iconic memory lasts:
a. less than a second b. between 5 and 9 seconds c. approximately 1 minute d. indefinitely if the image is rehearsed
All of the following are principles of counting EXCEPT
a. order-irrelevance principle b. one-one principle c. cardinal principle d. concrete principle