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Percentage (and number/total) of students providing correct answers on pre- and posttests.
| Treatment | Control | Total | ||
|---|---|---|---|---|
| Question 1 | Pretest | 29% (16/56) | 59% (13/22) | 37% (29/74) |
| Posttest | 90% (47/52) | 70% (19/27) | 83% (66/79) | |
| Question 2 | Pretest | 5% (3/56) | 0% (0/22) | 4% (3/74) |
| Posttest | 42% (22/52) | 7% (2/27) | 30% (24/79) |
