What are order effects and what type of validity does it threaten?
What will be an ideal response?
Order effects occur when the order in which participants receive different treatments or participate in different groups causes changes in a dependent variable. It is a threat to internal validity.
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According to the chapter Does TV Violence Sell? about memory of commercial content, mood
management theory suggests that (a) if you are ina negative mood you will engage in self-destructive activity (b) viewers placed in a negative mood from exposure to violent programming engage in an active process to improve their mood (c) viewers who are placed in a negative mood from violent programming will often engage in violent actions in order to relieve tension (d) a positive mood can immediately shift and become negative at first exposure to a violent stimulus
For Ellis, the key factor in abnormal behavior is a person's ______
a. early childhood c. genetic history b. conditions of worth d. beliefs