Table 3 Number of items correct and reaction time statistics for processing efficiency
Statistics for each measure | F | F + C | F + C + M | AC |
|---|---|---|---|---|
Pattern Comparison | ||||
Items correct | ||||
Pre-intervention mean (SD) | 40.6 (7.8) | 41.6 (8.3) | 41.1 (7.1) | 41.1 (9.0) |
Post-intervention mean (SD) | 42.2 (7.9) | 43.2 (7.5) | 41.8 (8.7) | 44.4 (7.0) |
Beta coefficients | −1.93 | −1.45 | −2.62 | – |
p-value | 0.20 | 0.32 | 0.076 | – |
Cohen’s d effect size | 0.13 | 0.07 | 0.24 | – |
Reaction time | ||||
Pre-intervention mean (SD) | 1292 (369) | 1271 (313) | 1236 (243) | 1311 (339) |
Post-intervention mean (SD) | 1244 (312) | 1213 (297) | 1278 (361) | 1154 (236) |
Beta coefficients | 99.7 | 80.7 | 165 | – |
p-value | 0.09 | 0.15 | 0.0041* | – |
Cohen’s d effect size | 0.23 | 0.16 | 0.53 | – |
Letter Comparison | ||||
|---|---|---|---|---|
Items correct | ||||
Pre-intervention mean (SD) | 24.9 (3.9) | 25.3 (5.5) | 25.9 (4.7) | 25.6 (4.5) |
Post-intervention mean (SD) | 24.8 (4.5) | 25.9 (4.6) | 25.4 (3.7) | 27.3 (4.4) |
Beta coefficients | −2.02 | −1.20 | −2.12 | – |
p-value | 0.0098* | 0.11 | 0.0052* | – |
Cohen’s d effect size | 0.49 | 0.21 | 0.53 | – |
Reaction time | ||||
Pre-intervention mean (SD) | 2099 (396) | 2116 (479) | 2048 (531) | 2095 (365) |
Post-intervention mean (SD) | 2140 (469) | 2056 (408) | 2069 (412) | 1918 (321) |
Beta coefficients | 219 | 124 | 180 | – |
p-value | 0.0016* | 0.059 | 0.0072* | – |
Cohen’s d effect size | 0.65 | 0.28 | 0.50 | – |
Pre-intervention mean (SD) | 40.6 (9.1) | 40.3 (7.8) | 41.1 (7.1) | 40.8 (9.1) |
DSST | ||||
|---|---|---|---|---|
Items correct | ||||
Pre-intervention mean (SD) | 94.2 (11.0) | 94.2 (13.2) | 95.2 (12.1) | 92.1 (12.1) |
Post-intervention mean (SD) | 98.3 (12.6) | 96.9 (12.8) | 100.5 (13.0) | 96.9 (12.5) |
Beta coefficients | −0.29 | −1.68 | 1.09 | – |
p-value | 0.88 | 0.35 | 0.56 | – |
Cohen’s d effect size | 0.00 | 0.06 | 0.02 | – |