When a researcher asks the question, "Have changes in some developmental process within the subjects paralleled the treatment effects?", she is concerned with which one of the following potential threats to internal validity?
A) maturation
B) subject selection
C) regression effect
D) testing effect
Correct Answer:
Verified
Q19: An experiment in which the independent variable
Q20: The threat of confounding is particularly serious
Q21: When a researcher asks the question, "Was
Q22: If people who drop out of study
Q23: A loose connection between theory and method
Q25: If you were studying the effects of
Q26: A participant who interprets the instructions differently
Q27: Students as a group tend to perform
Q28: Regression to the mean can occur when
A)
Q29: Loss of subjects during the course of
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