A(n) ________ hypothesis predicts a directional effect, whereas a(n) _________ hypothesis predicts an effect in either direction.
Fill in the blank(s) with the appropriate word(s).
one-tailed, two-tailed
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Homophobia refers to __________.
A. the final stage of the coming out process B. increased interest in one's sexuality C. a general fear of all things sexual D. negative attitudes and irrational fears about homosexuality
What is the probability of pulling a jack from a standard (52-card) deck of playing cards?
a. .019 b. .077 c. .15 d. .25
An optimal level of arousal for a task
a. depends on the complexity of the task. b. is caused by the performance level. c. is lower with simple tasks. d. depends on the inverted U image.
Which of the following can be smoked, snorted, injected, or eaten; is known by the street names of "bergs" and "glass;" is made cheaply in backyard labs; and has fueled a violent criminal subculture?
a. GHB b. marijuana c. methamphetamine d. MDMA