According to the opponent-process theory, if you stare at a red star for awhile (e.g., 60 seconds) and then look at a plain sheet of white paper you will see an afterimage of the star in which hue?
a. yellow
b. blue
c. green
d. red
e. purple
c. green
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Which of the teenage girls described below is at greatest risk for developing an eating disorder?
A. Alice is currently on a diet; her friendship clique also diet aggressively. B. Sue is of average to slightly above average weight but wants to lose a few pounds. C. Megan's friends are concerned about the weight she has lost since she began working out with the swim team. D. Jean has always been fairly thin despite the fact that she eats quite normally.
Ginny and Martin are both studying for a psychology exam. Ginny organizes her time so that she has the entire day before the exam to read and study. Martin arranges his week so he gets about an hour and a half of study time in each day the week before his exam. Both Ginny and Martin end up studying the same total number of hours. Which of the following will likely be true?
a) Ginny will perform better because she focused all of her energy on one subject matter for an extended period of time. b) Martin will perform better because he spaced out his studying. c) Ginny will perform better because she used the spaced practice technique. d) Both will do equally well because they spent the same amount of time studying.
Aging affects a person's ability to hear higher frequencies
Indicate whether the statement is true or false.
The growth rate in height reaches a peak at age ______ in girls.
a. 10 b. 12 c. 14 d. 18