After the initial report of findings was presented in Indiana, legislators raised the question of whether the overall finding of no impact could be a function of two factors cancelling each other out: some students were adversely impacted by the interruptions, while others were able to take advantage of the interruptions by changing their answers from wrong to right after returning to the test after the interruption. The analyses provided in this paper show that there likely was such an effect, but its impact on the overall results was so small that it did not affect their interpretation.
