Maria's cheerful "Good morning!" elicits a smile from her mother, which raises Maria's spirits further and leads her to make a joke. This is an example of
A) assimilation.
B) a positive feedback loop.
C) a discriminative stimulus.
D) a negative feedback loop.
Answer: B
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A research study on the effects of power found that powerful bosses ____
a. gave workers little credit for the work they did b. attributed accomplishments to the workers' motivation and efforts c. rated their workers more favorably overall d. overestimated their employees' worth
One reason that public policies safeguarding children are slow to emerge in the United States is because __________
A) such government policies have failed in other Western countries B) social programs are rarely cost-effective C) children cannot vote or speak out to protect their own interests D) the United States already ranks at the top on key measures of children’s health and well-being
Which of the following is NOT a long-term effect of being born at low birth weight?
a. asthma b. small stature c. language delays d. low educational attainment
At what age will infants first look longer at a video image of a peer than at a video image of themselves?
A) 1 month B) 4 months C) 6 months D) 9 months