Multiple Choice
Events or influences other than the experimental treatment itself may occur between a pretest and a posttest that may affect the dependent variable.This threat is called
A) mortality.
B) history.
C) regression.
D) diffusion.
E) Hawthorne effect.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: The variable upon which the effects of
Q17: Exhibit 10-10: Identify the major threat to
Q18: Which of the following is an internal
Q19: A researcher wishes to study the effects
Q20: Exhibit 10-11: Indicate whether the following statements
Q22: An experimenter bias effect operates when an
Q23: Exhibit 10-3: Choose the type of experimental
Q24: A researcher is interested in whether playing
Q25: Consider the following: "To what group of
Q26: An experimenter was interested in the effect