From: Verbal short-term memory deficits in Down syndrome: phonological, semantic, or both?
 | DS Mean (SD) | Control Mean (SD) | Condition Marginal Mean (SE) | Effect size (η2p) for Group, Condition & Interaction |
---|---|---|---|---|
Phonological Similarity Task | ||||
Span | ||||
Similar Condition | 2.08 (0.65) | 2.61 (0.58) | 2.35 (0.10) | Group η2p = 0.32; Condition η2p = 0.36; |
Dissimilar Condition | 2.36 (0.68) | 3.50 (1.00) | 2.93 (0.14) | Interaction η2p = 0.14 |
Group Marginal Mean (SE) | 2.22 (0.15) | 3.06 (0.15) | Â | Â |
Proportion Correct | ||||
Similar Condition | 0.51 (0.17) | 0.57 (0.18) | 0.54 (0.03) | Group η2p = 0.08; Condition η2p = 0.35; |
Dissimilar Condition | 0.54 (0.20) | 0.69 (0.21) | 0.61 (0.03) | Interaction η2p = 0.20 |
Group Marginal Mean (SE) | 0.53 (0.04) | 0.63 (0.04) | Â | Â |
Nonword Discrimination Task a, b | ||||
2-syllable Proportion Correct | 0.69 (0.11) | 0.88 (0.13) | 0.78 (0.03) | Group η2p = 0.66; Syllable η2p = 0.13; |
3-syllable Proportion Correct | 0.65 (0.14) | 0.76 (0.18) | 0.70 (0.04) | Interaction η2p = 0.17 |
4-syllable Proportion Correct | 0.51 (0.15) | 0.86 (0.11) | 0.69 (0.03) | |
5-syllable Proportion Correct | 0.59 (0.13) | 0.63 (0.17) | ||
Group Marginal Mean (SE) | 0.62 (0.02) | 0.83 (0.02) |