Gary trains his hamster to roll a marble. First, he reinforces the hamster when it walks toward the marble, then he reinforces when it touches the marble with its nose. Finally, the hamster learns to roll the marble and is reinforced for it
This example illustrates ________.
a. chaining
b. counterconditioning
c. shaping
d. classical conditioning
Answer: c
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According to Chapter 4, working memory is especially important because
a. it provides a perfect copy of the physical stimulus, for example, a visual image that accurately represents the words on a page. b. it demonstrates that there is a clear-cut limit to the number of items we can store for a short time. c. it is the first process that occurs after the stimulus has entered long-term memory. d. it keeps some items active, so that we can use these items when we are working on a relevant task.
The brain's ability to organize and interpret basic units of information from the environment is called
a. habituation. c. attention. b. perception. d. sensation.
Yokow gets just enough calories from starchy foods, but his diet is very low in protein. He has an enlarged belly, swollen feet, and a rash on his skin. Yokow probably suffers from __________
A) marasmus B) iron-deficiency anemia C) kwashiorkor D) nonorganic failure to thrive
The _____ hypothesis in the one factor between groups design states that there will be no difference among the groups as a result of the treatment
a. null c. directional alternative b. nondirectional alternative d. research