Earobics® was found to have positive effects on alphabetics and potentially positive effects on reading fluency.
A summary of the effectiveness of an intervention in an outcome domain, based on the quality of research, the statistical significance of findings, the magnitude of findings, and the consistency of findings across studies.
 Positive: strong evidence that intervention had a positive effect on outcomes. |
 Potentially Positive: evidence that intervention had a positive effect on outcomes with no overriding contrary evidence. |
 Mixed: evidence that intervention’s effect on outcomes is inconsistent. |
 No Discernible: no evidence that intervention had an effect on outcomes. |
 Potentially Negative: evidence that intervention had a negative effect on outcomes with no overriding contrary evidence. |
 Negative: strong evidence that intervention had a negative effect on outcomes. |
For more, please see the WWC Glossary entry for rating of effectiveness.
An indicator of the effect of the intervention, the improvement index can be interpreted as the expected change in percentile rank for an average comparison group student if that student had received the intervention.
For more, please see the WWC Glossary entry for improvement index.
The percent of each characteristic is based on the sample size of all studies meeting standards that reported data on the characteristic.
Percentages below may not add to 100 percent.
| Outcome Domain | Effectiveness Rating | Grades | Improvement Index |
|---|---|---|---|
| Alphabetics |  |
K-3 |
|
| Reading fluency |  |
K-3 |
|
Last Updated: January 2009
Race
| Asian | 9% | |
| Black | 7% | |
| Native American | 17% | |
| White | 41% | |
| Not specified | 22% |
Ethnicity
| Hispanic | 37% | |
| Not Hispanic | 63% |
Gender
Free & Reduced-Price Lunch
English Learners
Delivery Method
Urbanicity
Locations
This intervention report was prepared for the WWC by Mathematica under contract ED-07-CO-0062.
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