Multiple Choice
Which threat to external ecological validity refers to how events occurring at the time of the intervention or treatment affect the outcome?
A) measurement of the dependent variable
B) interaction between time of measurement and treatment effects
C) interaction between history and treatment effects
D) novelty or disruption effects
Correct Answer:

Verified
Correct Answer:
Verified
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Q10: Events occurring during the time of the
Q11: The threat to internal validity which involves
Q12: Provide an example of the Hawthorne Effect.
Q13: The scientific method requires that researchers submit
Q15: Give an example of how to reduce
Q16: A variable which manipulates an event or
Q17: When studies are conducted over a period
Q18: _ is a threat that refers to
Q19: When participants become sensitized to the intent