Julie finds that the number of hours she sleeps each night is related to the scores she receives on quizzes the next day
As her sleep approaches 8 hours, her quiz scores improve; as her sleep drops to 5 hours, her quiz scores show a similar decline. Julie realizes that ______________________.
a) there is a negative correlation between the number of hours she sleeps and her quiz grades
b) there is a positive correlation between the number of hours she sleeps and her quiz grades
c) her low quiz scores are caused by sleep deprivation the night before a quiz
d) she should sleep about 10 hours a night to ensure 100 percent quiz grades
ANS: B, Both variables in the example move in the same direction and, therefore, have a positive correlation.
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Mel's therapist helps him create routines for his daily life, such as setting daily times for sleeping, eating, and exercising. This form of therapy for bipolar disorder is called ____
a. psychoeducation b. social rhythm therapy c. cognitive behavioral therapy d. interpersonal therapy
The treatment for __________ usually involves wearing a masklike device that forces air into the lungs during sleep
a. narcolepsy b. night terrors c. sleep apnea d. somnambulism
Which of the following neural structures can be seen in a midsagittal view of the human brain?
A. red nucleus B. corpus callosum C. lateral thalamic nuclei D. hippocampus
Which of the following are symptoms of masturbation, according to social and medical attitudes of the early 1900s?
A) General debility B) Sore eyes and blindness C) Stupidity, loss of energy, and insanity D) All of the above, and more