Which of the following constitutes a threat to the internal validity of within subjects factorial designs?

a. testing c. history
b. the carryover effect d. all of these


D
The internal validity of the within subjects factorial design is threatened by all of factors that threaten the simple within subjects designs (e.g., testing, maturation, and history). In addition, the carryover effect poses a threat to within subjects factorial designs.

Psychology

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Indicate whether this statement is true or false.

Psychology

Dr. Nolan recently participated in a research study where she was given a dose of LSD. When asked during the debriefing session what the most impressive part of the experience was, she immediately answered, "Synesthesia." Which of the following is an example of what Dr. Nolan was referring to?

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Psychology

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What will be an ideal response?

Psychology

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What will be an ideal response?

Psychology