True/False
Without using appropriate experimental and control groups,extraneous events in subjects' lives can make history a threat to internal validity,even if those events are of no historical importance to people in general.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q4: Assume that you have developed a study
Q4: The 55-mph speed limit was introduced in
Q4: Time-series designs with many measurement points control
Q8: Which of the following is LEAST suited
Q9: Time-series designs with many measurement points control
Q10: Which of the following statements is true
Q11: The design diagrammed in question 8<br>A)treats 0
Q13: If we can establish that variable X
Q15: Discuss how attrition can affect the validity
Q24: Attrition effects are automatically controlled when participants