Michael receives additional support for noncompliant behavior. Prior to intervention his average number of incidents of noncompliant behavior was 18 . Following the intervention, the number had decreased to 11 . What is the percent change following intervention?
A. 19%
B. 29%
C. 39%
D. 49%
C.
Explanation: The formula to determine the percent change is: mean of baseline – mean of intervention / mean of baseline. In this scenario, the equation is: 18-11/ 11 = 39%.
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