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Table 2 Planned comparisons between groups

From: The declarative system in children with specific language impairment: a comparison of meaningful and meaningless auditory-visual paired associate learning

  Mean difference,\( \widehat{\Psi} \) Lower 95% CIa Upper 95% CI p valueb
Vocabulary learning     
 Grammar-match vs SLI 4.84 −5.41 15.10 0.201
 Age-match vs Grammar-match −12.60 −23.30 −1.93 0.002
 Age-match vs. SLI −17.45 −29.20 5.71 <0.001
Nonverbal paired-associate learning     
 Grammar-match vs SLI 1.88 −9.77 13.54 0.659
 Age-match vs Grammar-match −5.98 −18.73 6.76 0.200
 Age-match vs. SLI −7.87 −21.42 5.67 0.116
  1. Notes:
  2. a Confidence intervals are adjusted to control familywise error rate.
  3. b Unadjusted p-values.