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Partially convincing evidence
* Effect Size is statistically significant for
at least one measure
u Effect Size is based on unadjusted means
a Effect sizes are available for measures that
were equivalent on the pretest.
This tools chart presents information about academic intervention programs. The following four tabs include information and ratings on the technical rigor of the studies:
- Study Quality
- Study Results
- Additional Research
The chart reviews studies about the intervention programs. As a result, you may see the intervention appear more than one time and receive different ratings.
The National Center on Intensive Intervention publishes this chart to assist educators and families in becoming informed consumers who can select intervention programs that best meet their individual needs.
The Center's Technical Review Committee (TRC) on Academic Intervention independently established a set of criteria for evaluating the scientific rigor of studies demonstrating the efficacy of instructional intervention programs. The TRC rated each submitted study against these criteria but did not compare it to other studies on the chart. The presence of a particular program on the chart does not constitute endorsement and should not be viewed as a recommendation from either the TRC on Academic Intervention or the National Center on Intensive Intervention.