In the context of the difference threshold, identify the correct statement
A) Weber's constant is especially accurate when comparing extremely bright or extremely dull lights.
B) On average, people can tell when a tone rises or falls in pitch by an extremely small one-third of 1 percent.
C) On average, people can detect differences in saltiness of less than 10 percent.
D) Ernst Weber discovered through laboratory research that the threshold for perceiving differences in the intensity of light is about 20 percent of their intensity.
B
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Which statement characterizes the fovea? a. It has the greatest perception of detail
b. It surrounds the point of exit of the optic nerve. c. It falls in the shadow cast by the pupil. d. It has more rods than cones.
Individuals who overreact to everything and are overly dramatic and vain are most likely to be diagnosed with ________ personality disorder
a. borderline b. histrionic c. narcissistic d. dependent
If one holds that life is the most important value to be upheld in any situation, one would
a. be arguing for euthanasia on the basis of quality of life b. be denying that a person has the right to refuse treatment necessary to preserve life c. be holding that voluntary euthanasia is acceptable morally d. all of these e. none of these
A personality disorder characterized by marked instability in self-image, mood, and interpersonal relationships is ________ personality disorder
a. borderline b. antisocial c. histrionic d. narcissistic