An IERI – International Educational Research Institute Journal
 | Method | Proportion correct—Engaged | Proportion correct—Disengaged | Difference |
---|---|---|---|---|
Literacy | 5000 | .55 | .02 | .53 |
 | 3000 | .55 | .01 | .54 |
 | VI | .56 | .02 | .54 |
 | P +  > 0% | .56 | .00 | .56 |
Numeracy | 5000 | .64 | .09 | .55 |
 | 3000 | .63 | .04 | .59 |
 | VI | .63 | .07 | .56 |
 | P +  > 0% | .63 | .00 | .63 |
Problem solving | 5000 | .40 | .00 | .40 |
 | 3000 | .40 | .00 | .40 |
 | VI | .43 | .01 | .42 |
 | P +  > 0% | .43 | .00 | .43 |