Two-year-old Eric throws a tantrum whenever he is placed in his car seat. To calm him down, his mother has started giving him a lollipop. In effect, his mother is
A. extinguishing tantrums.
B. reinforcing tantrums.
C. using classical conditioning.
D. using negative reinforcement.
B. reinforcing tantrums.
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Which of the following might be included in a multirepresentational approach to representing mathematical ideas?
a. written symbols b. spoken language c. concrete objects d. all of the above
Games with rules are a form of play that:
a. is rarely witnessed at the preschool level. b. should be a part of the preschool curriculum in order to prepare the children for the elementary school experience. c. is the sixth stage of play described by Smilansky. d. is the most common form of play among children about to enter kindergarten.
The matrix below describes what kind of covariance structure in a multilevel model?
a. Variance components.
b. Diagonal.
c. AR(1).
d. Unstructured.
Outdoor storage should have which of the following characteristics?
A) It should be temporary. B) It should be geared to and sized for adults. C) It should be weather-tight to protect items from being damaged. D) Storage is not necessary on the playground.