A pattern like the one in the graph below could occur because 
A) staff members' enthusiasm led to a short term improvement in outcomes.
B) program participants do not accept the intervention.
C) maturation effects may be strong.
D) the evaluator became more accurate in assessing success during the preintervention observations (i.e., instrumentation problems) .
Correct Answer:
Verified
Q1: To show that a program had an
Q2: The ways in which evaluators expand on
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
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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