According to Piaget, children learn to retrace their thoughts, correct themselves, see more than one dimension to a problem, but cannot yet handle abstract concepts during the __________ stage

What is classical conditioning?

A. removing a stimulus to increase responses B. adding a stimulus to increase responses C. learning by use of consequences D. learning an association that produces a conditioned response

The meaningfulness of experimental results can be evaluated in several ways. the statistical significance of the results indicates the

a. mathematical probability that the findings occurred by chance b. practical value of the findings c. clinical value of the findings d. all of the above