A researcher manipulates the amount of alcohol and level of background noise while presenting pictures to a group of research participants. Later, she tests the participants' memory for the pictures
How many independent and dependent variables are in this experiment?
a) one independent variable and one dependent variable
b) two dependent variables and one independent variable
c) two independent variables and two dependent variables
d) two independent variables and one dependent variable
ANS: d
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What question should you ask to decide whether you have insomnia? a. Do you feel sufficiently rested the next day?
b. Do you get as much sleep as most other people your age? c. Do you get as much sleep now as you did in the past? d. Do you frequently awaken with bad dreams?
Donna comes to counseling because she thinks that she has obsessive compulsive disorder. She has numerous obsessive thoughts. One of these thoughts is that she has left the coffee-maker on in her apartment and that it will start a fire that will burn the building down. The coffee-maker worry results in her returning to her apartment 3 or 4 times each morning, and she is often late to work. Donna’s solution-focused therapy counselor, Bob, wonders aloud if she is sensitive to detail, routine and order. Bob has _________
Fill in the blank(s) with the appropriate word(s).
Which statement about psychological disorders is FALSE?
A) Most people with major psychological disorders receive treatment. B) Psychological disorders are associated with impairments in the ability to carry out daily activities. C) Depression is the second leading cause of all psychological disorders worldwide. D) About 1 in 4 people in the general population are in need of treatment for psychological disorders.
Positron emission tomography (PET) is a technique used to:
a. transplant fetal brain tissue b. repair damaged neurons in the spinal cord c. study the function of brain areas d. perform a frontal lobotomy