Table 3. Descriptive statistics for ABIS scales in factor analysis samples.
Total | Females | Males | ||||||||||
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Sample 1 | M | SD | Alpha | N | M | SD | Alpha | N | M | SD | Alpha | N |
ABIS Attention | 2.05 | 0.47 | 0.72 | 1549 | 2.07 | 0.47 | 0.74 | 939 | 2.04 | 0.46 | 0.68 | 608 |
ABIS Motor | 2.06 | 0.51 | 0.75 | 1549 | 2.03* | 0.50 | 0.75 | 939 | 2.10* | 0.52 | 0.75 | 608 |
ABIS Non-planning | 2.11 | 0.62 | 0.75 | 1549 | 2.06* | 0.61 | 0.75 | 939 | 2.19* | 0.62 | 0.75 | 608 |
Sample 2 | ||||||||||||
ABIS Attention | 2.08 | 0.53 | 0.77 | 657 | 2.08 | 0.55 | 0.80 | 377 | 2.08 | 0.51 | 0.74 | 278 |
ABIS Motor | 1.94 | 0.56 | 0.81 | 657 | 1.89* | 0.55 | 0.82 | 377 | 2.00* | 0.56 | 0.80 | 278 |
ABIS Non-planning | 2.14 | 0.63 | 0.71 | 657 | 2.06* | 0.62 | 0.71 | 377 | 2.25* | 0.63 | 0.71 | 278 |
Sample 3 | ||||||||||||
ABIS Attention | 2.25 | 0.70 | 0.77 | 285 | 2.15* | 0.62 | 0.73 | 145 | 2.35* | 0.76 | 0.79 | 140 |
ABIS Motor | 2.38 | 0.99 | 0.88 | 285 | 2.36 | 1.04 | 0.90 | 145 | 2.40 | 0.94 | 0.86 | 140 |
ABIS Non-planning | 2.35 | 0.77 | 0.70 | 285 | 2.27 | 0.76 | 0.72 | 145 | 2.44 | 0.78 | 0.66 | 140 |
Note. Sample 3 items were measured from 1-5, rendering comparisons to samples 1 and 2 uninformative. Summary statistics are shown for scale scores, which reflect the average of relevant scale items Two individuals from sample 2 reported neither male nor female gender.
Gender difference p < .05.