The ways in which evaluators expand on the pretest/posttest design in order to control for threats to internal validity include the following EXCEPT for
A) increasing the size of the sample to reduce Type I and Type II errors.
B) observing the participants at additional times before and after the intervention.
C) observing additional people who have not received the program.
D) using a variety of variables, some expected to be affected by the program, some not.
Correct Answer:
Verified
Q1: To show that a program had an
Q3: The primary reason to increase the number
Q4: A time series evaluation design leads to
A)
Q5: In the graph below, all preintervention observations
Q6: A pattern like the one in the
Q7: A particularly strong time series design is
Q8: Smoothing a graph of observations made over
Q9: When a group similar to the program
Q10: The major weakness of the nonequivalent, control
Q11: If the program participants in a non-equivalent
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