The second and third steps in lever-press training consist of delivering food

a. noncontingently and then contingent on a lever press.
b. as part of habituation training and also after habituation has occurred.
c. in the absence of orienting responses.
d. in a way that makes the lever a US.
e. so as to assure temporal contiguity while eliminating behavioral discrepancy.

a. noncontingently and then contingent on a lever press.

Psychology

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According to Erikson, adolescents must resolve the challenge of:

a) trust versus mistrust. b) intimacy versus isolation. c) generativity versus stagnation. d) identity versus role confusion.

Psychology

Which of the following statements is correct regarding motor skill development?

A) Boys and girls are virtually identical in the rate at which they develop motor skills. B) Children with mental retardation will go through a different sequence of motor skill development than normal children. C) Even though boys and girls may differ in the rate at which they develop motor skills, they still develop these skills in the same sequence. D) The development of motor skills is most likely controlled by environmental circumstances.

Psychology