Which of the following describes Weber's law?
A. What an individual sees and hears is completely dependent on her or his perception and desire.
B. Muscles control the shape of the eye's lens to adjust to viewing objects at different distances.
C. The size of a just noticeable difference in stimuli perception is a constant fraction of the intensity of the stimulus.
D. The texture of a surface becomes more tightly packed together and dense as the surface moves to the background.
Answer: C
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Some people believe that homosexuality is a choice and that gay or lesbian parents or teachers may exert a harmful influence on children. To what extent is the empirical evidence reviewed in your textbook consistent with these claims?
a) It is wholly inconsistent with these claims. b) It is somewhat inconsistent with these claims. c) It paints a mixed picture with respect to these claims. d) It is largely consistent with these claims.
Lori's dad is in an exceptionally happy mood having just purchased a new car. Seeing this good mood, Lori asks "can we stop for ice cream on the way home?" Lori's dad, who generally does not approve of sweet treats says "sure."
In this situation, the dad's mood might have served as __________ a) a neutral stimulus. b) a generalized stimulus. c) a reinforcer. d) a discriminative stimulus.