Intercorrelations (r) of prior topic knowledge and student argumentation on dietary fats
| Variable | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1. Prior topic knowledge | 1 | |||
| 2. Depth of argumentation | 0.20 (**) | 1 | ||
| 3. Breadth of argumentation | 0.13 (ns.) | 0.72 (**) | 1 | |
| 4. Use of sources | 0.21 (**) | 0.44 (**) | 0.37 (**) | 1 |
| Variable | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1. Prior topic knowledge | 1 | |||
| 2. Depth of argumentation | 0.20 ( | 1 | ||
| 3. Breadth of argumentation | 0.13 (ns.) | 0.72 ( | 1 | |
| 4. Use of sources | 0.21 ( | 0.44 ( | 0.37 ( | 1 |
ns. = nonsignificant; **p < 0.001
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