Program Evidence Rating Chart

Description
Program Evidence Ratings
Evidence Rating [1] Studies
Study 1 Classification Study 2 Classification Study 3 Classification
Effective Programs have strong evidence to indicate they achieve their intended outcomes when implemented with fidelity. Class 1 - -
Class 1 Class 2 -
Class 1 Class 4 -
Class 1 Class 1 Class 1
Class 1 Class 1 Class 2
Class 1 Class 1 Class 4
Class 1 Class 2 Class 2
Promising Programs have some evidence to indicate they achieve their intended outcomes. Class 2 - -
Class 2 Class 2 -
Class 2 Class 4 -
Class 1 Class 2 Class 4
Class 1 Class 4 Class 4
Class 2 Class 2 Class 2
Class 2 Class 2 Class 4
No Effects Programs have strong evidence indicating that they had no effects or had harmful effects when implemented with fidelity. Class 4 - -
Class 3 - -
Class 4 Class 4 -
Class 4 Class 3 -
Class 1 Class 3 -
Class 2 Class 3 -
Class 1 Class 1 Class 3
Class 1 Class 2 Class 3
Class 1 Class 3 Class 3
Class 1 Class 3 Class 4
Class 2 Class 2 Class 3
Class 2 Class 3 Class 4
Class 2 Class 4 Class 4
Class 3 Class 3 Class 3
Class 3 Class 3 Class 4
Class 3 Class 4 Class 4
Class 4 Class 4 Class 4

[note 1] A single-study icon (effective icon) is used to identify programs that have been evaluated with a single sample. A study based on a single sample may produce multiple publications; however, it will receive a single study icon because it was a single study sample.

A multiple-studies icon (effective icon) is used to depict programs that have been evaluated with more than one sample. The icon depicts programs that have more than one study in the evidence base that demonstrates effects in a consistent direction. Thus, there is greater evidence supporting the rating because with each replication it becomes less likely the results were due to something other than the program.