There are 10 students in the pre-kindergarten class. Each student is shown eight colors and asked to name them. The number of colors correctly named by each student is: 8, 8, 8, 8, 7, 7, 6, 6, 5, 4. What would be the mode?
a. 4.0
b. 6.7
c. 7.0
d. 8.0
ANSWER: d
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According to the trichromatic theory, how do we distinguish red from orange?
a. The two colors produce different velocities of action potentials b. The two colors produce different ratios of responses by types of cones. c. The two colors produce excitation in different areas of the brain. d. The two colors produce different durations of response by most of the cones.
Medical testing for possible brain irregularities or structural problems is often done by
a. EEG, EKG, or electrical recording. b. BIO scans, x-rays, or neuronal mapping. c. tox screens, external imagery, or image projection. d. CT, MRI, or PET scans.
Carleen comes to therapy because she is feeling sad. Carleen says her she has often had periods of extreme sadness in the past and they typically last between 6 and 8 months
During those times she overeats, has trouble sleeping, feels exhausted all the time, and thinks a lot about dying. At other times, however, Carleen says she feels wonderful. During those times, which last about a week, she gets a lot done, feels as if she could do anything, talks a lot and quickly, doesn't sleep, but doesn't feel tired. Carleen says her "up" times are great and have never caused her any trouble. Carleen's most likely diagnosis is a. major depressive disorder. b. dysthymia. c. bipolar I. d. bipolar II.
If you have been waking up too early for several weeks, you are probably suffering from __________.
A. insomnia B. parasomnia C. hypersomnia D. reverse insomnia