Table 2.
Associated characteristics of performance on familiar–novel (FN) and novel–novel (NN) trials in the immediate retention condition.
| FN−/NN− (n = 14) Mean (SD) |
FN+/NN− (n = 8) Mean (SD) |
FN+/NN+a (n =7) Mean (SD) |
pb | |
|---|---|---|---|---|
| Age | 10.1 (4.2) | 10.1 (3.8) | 13.0 (3.1) | .25 |
| Retention condition accuracy | ||||
| Familiar–familiar trials | 5.1 (1.6)+ | 7.3 (1.2)+ | 7.7 (0.5) | .000 |
| Familial–novel trials | 4.8 (1.6)+ | 7.6 (0.5)+ | 7.9 (0.4) | .000 |
| Novel–novel trials | 4.4 (1.2) | 4.9 (1.0)+ | 7.7 (0.5)+ | .000 |
| Leiter-3 raw score | 41 (19) | 55 (11) | 60 (22) | .045 |
| PPVT-4 raw score | 24 (23) | 45 (15) | 58 (32) | .012 |
| ADOS number of different words (NDW)/minute | 0.5 (0.7) | 0.8 (0.5)+ | 2.1 (1.6)+ | .006 |
| KSPT raw scorec | 23 (21)+ | 44 (20)+ | 48 (12) | .046 |
| ADOSd | ||||
| Response to joint attention (RJA) | 0.3 (0.5) | 0.1 (0.4) | 0.0 (0.0) | .26 |
| Initiation of joint attention (IJA) | 1.6 (0.7) | 1.6 (0.5) | 1.6 (0.8) | .98 |
| Calibrated social-affective symptom severity | 7.4 (1.0) | 7.3 (1.7) | 6.0 (0.8) | .044 |
ADOS: Autism Diagnostic Observation Schedule; PPVT: Peabody Picture Vocabulary Test; KSPT: Kaufman Speech Praxis: Test for Children.
a
FN−/NN−: familiar–novel fail/novel–novel fail; FN+/NN−: familiar–novel pass/novel–novel fail FN+/NN+: familiar–novel pass/novel–novel pass.
b
One-way ANOVA; F-values are reported in the text.
c
FN−/NN−: n = 12; FN+/NN−: n = 6; FN+/NN+: n = 4.
d
Higher scores indicate increased impairment.
+
Post hoc, least significance difference pairwise comparisons between contiguous means significant at p ≤.05.