You probably can detect a weight difference between a 50-g envelop and a 100-g envelope. But if you pick up a 2000-g package, you'd probably need another package that weighs at least 2100 g before detecting a difference between them. This description illustrates:
A) Weber's law.
B) signal detection theory.
C) absolute thresholds.
D) perceptual constancy.
A) Weber's law.
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According to Kohut, contact-shunning personalities:
a. avoid others because of disinterest in them b. avoid others they admire because they fear rejection by them c. were able to merge with admired figures in early childhood d. were able to merge with an admired mother figure but not an admired father figure
Long-term treatment with antipsychotic drugs can create a disturbance of motor control, especially facial muscles, that is termed
a. aversion. b. TMS. c. tardive dyskinesia. d. participant modeling. e. psychoactivity.
Neurogenesis in adulthood
A. does not appear to occur in humans. B. may protect the brain from the effects of stress. C. only occurs in telomeres, the tips at the end of chromosomes. D. is negatively correlated with levels of physical activity.
When it comes to learning what we consider language, the most significant difference between apes and humans is _____________
a. the inability of apes to make requests b. the inability of apes to generate word symbols in an infinite number of ways c. the inability of apes to learn motor movements and signs from humans d. the faster pace of humans' sign language