Table 4.
Associated characteristics of performance on familiar–novel (FN) and novel–novel (NN) trials in the delayed retention condition.
| FN−/NN− (n = 13) Mean (SD) |
FN+/NN− (n = 8) Mean (SD) |
FN+/NN+a (n = 8) Mean (SD) |
pb | |
|---|---|---|---|---|
| Age | 10.4 (4.4) | 10.8 (4.0) | 11.3 (3.5) | .89 |
| Retention condition accuracy | ||||
| Familiar–familiar trials | 4.5 (1.7)+ | 7.5 (0.8)+ | 7.8 (0.5) | .000 |
| Familial–novel trials | 5.6 (0.5)+ | 7.4 (0.5)+ | 7.6 (0.5) | .000 |
| Novel–novel trials | 4.3 (1.4) | 4.5 (1.4)+ | 7.6 (0.5)+ | .000 |
| Leiter-3 raw score | 42 (19) | 49 (16) | 62 (19) | .083 |
| PPVT-4 raw score | 22 (20) | 43 (19) | 59 (30) | .004 |
| ADOS number of different words (NDW)/minute | 0.5 (0.7) | 0.8 (0.6)+ | 1.9 (1.5)+ | .013 |
| KSPT raw scorec | 23 (20) | 38 (25) | 46 (13) | .088 |
| ADOSd | ||||
| Response to joint attention (RJA) | 0.2 (0.4) | 0.3 (0.5) | 0.0 (0.0) | .34 |
| Initiation of joint attention (IJA) | 1.5 (0.8) | 1.9 (0.4) | 1.5 (0.8) | .47 |
| Calibrated social-affective symptom severity | 7.2 (1.2) | 7.4 (1.3) | 6.4 (1.3) | .24 |
PPVT: Peabody Picture Vocabulary Test; ADOS: Autism Diagnostic Observation Schedule; 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 = 10; FN+/NN−: n = 6; FN+/NN+: n = 6.
d
Higher scores indicate increased impairment.
+
Post hoc, least-significance-difference pairwise comparisons between contiguous means significant at p ≤.05.