A youngster finds that whenever he cries, he receives attention from his mom. So he cries a lot more in order to receive attention. Technically, the attention he receives is

a. a negative reinforcer.
b. a positive reinforcer.
c. a negative punisher.
d. neither a reinforcer nor a punisher.

Answer: b. a positive reinforcer.

Psychology

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The size of the difference threshold is greater for heavier objects than for lighter ones. This best illustrates

A) sensory interaction B) the volley principle C) Weber's law D) the opponent-process theory

Psychology

Research on linguistic relativity suggests that

a. Language has a complete control over how people categorize the world. b. Language can have some effects on categorization, but the effects are limited. c. Language has no effect on categorization. d. Researchers have not addressed this question.

Psychology