Table 2.
Age Group Differences in BRIEF Scale Scores.
| BRIEF Scalesa | Total | 5–7 Years | 8–10 Years | 11–13 Years | 14–18 Years | F-value | p | Post-hoc Testingb |
|---|---|---|---|---|---|---|---|---|
| (n=185) | (n=34) | (n=65) | (n=50) | (n=36) | ||||
| Behavioral Regulation Index | 66.48 (12.15) | 64.24 (10.84) | 66.20 (10.74) | 67.68 (14.16) | 67.42 (12.86) | -- | -- | -- |
| Emotional | 61.42 (12.06) | 59.47 (11.34) | 61.63 (10.58) | 62.94 (14.35) | 60.75 (11.94) | .60 | .615 | ns |
| Inhibit | 63.63 (12.59) | 63.35 (11.10) | 62.77 (11.66) | 64.54 (12.43) | 64.19 (15.77) | .22 | .886 | ns |
| Shift | 69.38 (12.93) | 66.06 (13.59) | 69.37 (12.34) | 68.74 (13.61) | 73.44 (11.76) | 2.00 | .115 | ns |
| Metacognition Index | 66.34 (11.15) | 62.59 (12.16) | 66.20 (10.74) | 65.88 (10.84) | 69.36 (9.31) | -- | -- | -- |
| Initiate | 64.21 (11.50) | 59.65 (11.05) | 64.11 (11.51) | 63.90 (11.56) | 69.14 (10.25) | 4.21 | .007* | 14–18>5–7 |
| Working Memory | 67.33 (11.61) | 62.47 (12.27) | 67.35 (10.17) | 66.74 (11.60) | 72.69 (11.69) | 4.88 | .003* | 14–18>5–7 |
| Planning and Organization | 64.86 (12.05) | 62.62 (14.03) | 64.77 (12.86) | 64.44 (11.04) | 67.72 (9.50) | 1.09 | .353 | ns |
| Organization of Materials | 57.49 (11.14) | 54.32 (11.96) | 59.69 (10.61) | 55.04 (11.18) | 59.92 (10.16) | 3.25 | .023* | ns |
| Monitor | 65.56 (11.29) | 63.74 (11.91) | 64.60 (11.08) | 66.8 (12.13) | 67.31 (9.77) | .94 | .423 | ns |
| Global Executive Composite | 67.74 (11.07) | 64.41 (10.52) | 67.85 (11.05) | 67.84 (12.04) | 70.56 (9.71) | -- | -- | -- |
a
All scores reported as T-scores; Mean=50; SD=10; T-scores ≥65 are considered clinically significant
b
Tukey’s