What is a reason that alternating treatment designs may have good internal validity?

A. The patterns of response vary with the alternating treatment conditions, so there is minimal overlap among data in the conditions.
B. If one treatment is consistently associated with an improved level of responding, then the design demonstrates good experimental control.
C. It does not provide replication of the relative effects of the different treatments.
D. Both A and B


D

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The CT scan or computerized axial tomography

A. Uses multiple X-rays to identify brain density B. Focuses on differences in brain chemicals C. Monitors energy changes in the brain D. Looks at changes in temperature in the brain

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Safety impacts children's physical and emotional well-being by:

A) Protecting children from harm, allowing them to grow and learn free from fear and violence. B) Teaching children rules for keeping themselves safe should they face violence. C) Giving children recommendations for what they should avoid to address their fears. D) Limiting children's contact with potential bullies.

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Generally, when more variables are added to a prediction equation

a. more variance in the criterion variable is accounted for. b. more variance in the predictor variables are accounted for. c. less variance in the criterion variable is accounted for. d. less variance in the predictor variable is accounted for.

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Sensory memory is either ignored, forgotten, or stored in short-term memory

Indicate whether the statement is true or false

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