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

Psychology

You might also like to view...

Social psychology as a science can ____

a. help refute most religious beliefs b. speak to which religious beliefs are true and which are false c. explain why some people accept or reject certain religious beliefs d. determine which religion is the correct one

Psychology

Dan was visiting his folks for Christmas and having a grand time. Suddenly, in the middle of singing a Christmas carol, his dad seemed to change abruptly. His speech started slurring, and he lost control of the right side of his body. He seemed very confused, although this came and went, and at some moments he seemed completely alert and aware. After some testing at the emergency room, Dan and

his mom were informed that his dad had a. a stroke. b. Alzheimer's disease. c. Pick's disease. d. Korsakoff's syndrome.

Psychology

Nativist is to ____ as empiricist to ____.

a. inheritance; experience b. experience; inheritance c. God; freewill d. freewill; God

Psychology

Which of the following is NOT one of the attachment styles described by Mary Ainsworth?

a. securely attached b. insecure-agitated c. insecure-avoidant d. insecure-ambivalent

Psychology