Despite her parents' repeated refusals, a child repeatedly pesters her parents for a new toy whenever they are at the store. Instead of assuming that the child is highly motivated, it may be more productive to view her behavior as that produced by a __________ schedule of reinforcement.
a. continuous
b. fixed-ratio
c. variable-ratio
d. fixed-interval
e. variable-interval
c. variable-ratio
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A high threshold in Treisman's model of attention implies that
A. weak signals can cause activation. B. it takes a strong signal to cause activation. C. all signals cause activation. D. no signals cause activation.
Echoic memory allows an individual to:
a. see separate images as continuous b. see the world as stable, despite the movement of the eyes c. remember speech sounds long enough to understand words d. maintain knowledge about one's own personal experiences
Fallon is on her way to work when she sees a little boy, who is crying and apparently lost. Seeing the crying boy makes Fallon very uncomfortable and upset. To reduce these negative feelings, Fallon stops to help the boy find his parents. Which theory best explains Fallon's helping behavior?
A. Arousal: cost-reward B. Empathy-altruism C. Evolutionary D. Environmental
Most children become wary or fearful of strangers between the ages of ________
a. 2 to 3 months. b. 4 to 6 months. c. 6 to 8 months. d. 10 to 12 months.