The difference threshold for light is defined as the
a. weakest amount of light the average person can perceive most of the time.
b. ratio of the amplitude and wavelength.
c. difference in wavelengths between analogous hues.
d. smallest difference in intensity required to perceive a difference in intensity 50% of the time.
D
You might also like to view...
Irene eats large quantities of high-calorie foods at least three times a week, typically when she is alone or nervous. After binging, she induces vomiting. She is constantly concerned about her appearance, although she is of normal weight. An appropriate diagnosis for Irene is ____
a. anorexia nervosa c. bulimia nervosa b. overanxious disorder d. binge-eating disorder
Some researchers believe that _________ allows children to sample the attitudes and beliefs of their agemates without taking the risk of revealing their own views
a. gossip c. dominance b. friendship d. submission
What are anterograde and retrograde amnesia? What do we know about anterograde amnesia and the hippocampus? What do we know about retrograde amnesia and consolidation?
What will be an ideal response?
Optimists tend to use alternative thinking to
a. weather the challenges of life more effectively than pessimists. b. make themselves feel better by comparing their performance to that of less competent others. c. find a scapegoat. d. improve their cognitive abilities. e. find other people to feel superior to.