Sophie is stuffing envelopes for a marketing firm. She receives $1.00 for every 50 envelopes she stuffs. Based on what is known about schedules of reinforcement, you should conclude that Sophie's envelope stuffing is reinforced on:
a. variable-ratio schedule
b. fixed-interval schedule
c. variable-interval schedule
d. fixed-ratio schedule
D
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According to Piaget, which stage of cognitive development occurs between approximately ages 2 to 7 years, in which children's use of symbolic thinking grows, mental reasoning emerges, and the use of concepts increases?
A. concrete operational B. preoperational C. abstract connectionist D. symbolic functioning
Arnold often daydreams about being a major CEO and being admired by the entire population. He cannot understand why his teachers and fellow students do not see his brilliance and his great potential, but he is sure that "someday, they will tell their grandchildren that they were in class with the great Arnold P.". Arnold is exhibiting symptoms of which personality disorder?
a. histrionic b. paranoid c. antisocial d. narcissistic
About what percentage of divorce fathers remarry?
a. 25% c. 75% b. 65% d. 85%
An ecological systems theorist interested in the major historical events and the broad values, practices, and customs promoted by a culture would focus her research on the
a. mesosystem. c. macrosystem. b. exosystem. d. chronosystem.