Table 3.
Modified t Tests for Single-Case Comparisons (Crawford & Garthwaite, 2002) for the Performance of 10 Individual SRs in Relation to the 40 Control Participants, on the Adult (Control M = 0.75, SD = 0.09) and Child (Control Mean = 0.75, SD = 0.08) Face Matching Tests.
| A | t | p | z-cc | Percentage populationless extreme | |
|---|---|---|---|---|---|
| Adult test | |||||
| SR1 | .93 | 1.98 | .06 | 2.00 | 97.23 |
| SR2 | .94 | 2.09 | .04 | 2.11 | 97.82 |
| SR3 | .95 | 2.20 | .03 | 2.22 | 98.29 |
| SR4 | .91 | 1.76 | .09 | 1.78 | 95.65 |
| SR5 | .92 | 1.87 | .07 | 1.89 | 96.52 |
| SR6 | .99 | 2.63 | .01 | 2.67 | 99.40 |
| SR7 | .93 | 1.98 | .06 | 2.00 | 97.23 |
| SR8 | .95 | 2.20 | .03 | 2.22 | 98.29 |
| SR9 | .89 | 1.54 | .13 | 1.56 | 93.38 |
| SR10 | .95 | 2.20 | .03 | 2.22 | 98.29 |
| Child test | |||||
| SR1 | .88 | 1.61 | .12 | 1.63 | 94.17 |
| SR2 | .89 | 1.73 | .09 | 1.75 | 95.41 |
| SR3 | .89 | 1.73 | .09 | 1.75 | 95.41 |
| SR4 | .91 | 1.98 | .06 | 2.00 | 97.23 |
| SR5 | .91 | 1.98 | .06 | 2.00 | 97.23 |
| SR6 | .91 | 1.98 | .06 | 2.00 | 97.23 |
| SR7 | .92 | 2.10 | .04 | 2.13 | 97.88 |
| SR8 | .91 | 1.98 | .06 | 2.00 | 97.23 |
| SR9 | .81 | 0.74 | .46 | 0.75 | 76.84 |
| SR10 | .94 | 2.35 | .02 | 2.38 | 98.79 |
Note. Raw scores for A and effect sizes (z-cc) are reported for each calculation, alongside the percentage of the population achieving less extreme scores than each individual SR.