If students who completed a study skills course raised their grade point averages, can we conclude that the course caused their improvement?
a. Yes, because the scientific data was collected.
b. Yes, because a negative correlation exists between these students' grade point averages before and after taking the course.
c. Yes, because the course resulted in a self-fulfilling prophecy.
d. No, because there was no control group.
D
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a. ?flowers b. ?sweetness c. ?tone d. ?machines e. ?infinity
Why are so many affluent youths troubled?
What will be an ideal response?
Weight training should be part of an elderly person's exercise program
Indicate whether this statement is true or false.
Extinction in operant conditioning involves _________________
A) negative reinforcement B) positive reinforcement C) punishment D) withholding reinforcement