People with frequent nightmares are more likely than others to have anxiety, depression, and other psychological problems

The critical absolute value for t with two-tailed alpha equals .01 and degrees of freedom equals 20 is larger than 2.58.

a. true b. false

Since the 1950s, theories in cognitive psychology have made the __________the primary

source of analogies. a. computer b. telephone c. template d. neural network e. laser