Design #2: Non-Randomized Comparison (C) Group

Following completion of the Design #1 evaluation (or prior to planning), program leadership may ask the coordinator of Health Promotion and Education Programs (MPH-CHES) for their agency to present a 20-minute meta-evaluation report at the next monthly staff meeting. This person may be asked describe “best practice (BP)” client assessment and intervention methods for pregnant smokers. Design #2 might be considered by leadership, if they decide, after reading the meta-evaluation, that the 5% cessation rate is significantly lower than a rate from BP methods.

If program leadership decides to introduce a new “best practice” program to significantly increase the cessation rate, data and methods from the Design #1 Formative Evaluation can be used to plan Design # 2. The agency can compare the existing program (X1), now referred to as the (C) group, versus a new, proposed program, X1 + X2 + X3 + X4, for an E group of patients. The original sample of 100 pregnant smokers used in Design #1 can be called either a Standard Treatment group or a Historical Comparison (C) group. The bracketed comparison (C) group notation confirms the creation of the group by a method other than randomization. The group that receives the new best practice intervention would be called an experimental (E) group.

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