Multiple Choice
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
Correct Answer:
Verified
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