Table 4.
Frequency of Strategy use and Average Certainty Rating by Strategy Type Across Problems
| Strategy Type | Strategy | Frequency | Percentage | Certainty Rating M (SD) | Response Time M (SD) | |
|---|---|---|---|---|---|---|
| Study 1 | Correct | Correct | 123 | 47% | 3.42 (.64) | 32.12 (18.52) |
| Arithmetic | Add-All | 63 | 24% | 3.17 (.81) | 40.83 (18.35) | |
| Add-to-Equal | 39 | 15% | 3.10 (.72) | 60.82 (39.18) | ||
| Other-Incorrect | Carry | 14 | 5% | 3.00 (.88) | 52.97 (30.02) | |
| Idiosyncratic | 20 | 8% | 2.75 (.85) | 61.50 (34.72) | ||
| No Answer | Blank | 1 | .4% | 1.00 (—) | 95.46 (—) | |
| Study 2 | Correct | Correct | 511 | 58% | 3.63 (.71) | — |
| Arithmetic | Add-All | 132 | 15% | 3.07 (.96) | — | |
| Add-to-Equal | 83 | 9% | 2.79 (.94) | — | ||
| Other-Incorrect | Carry | 16 | 2% | 2.63 (.89) | — | |
| Idiosyncratic | 99 | 11% | 2.55 (1.00) | — | ||
| No Answer | Blank | 41 | 5% | 1.39 (.86) | — |