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Table 3 Hierarchical regression analysis summary for 3 dependent variables—phonemic score/trial set 2, words passed/trial set 2, and words passed/week all subsequent weeks

From: Predicting progress in word learning for children with autism and minimal verbal skills

  R2 Δ R2 ΔF DF β SE
β
Prob
β
Part
DV—phonemic score/trial set 2
Model 1 .48 .48 19.28*** (1,21)     
  Week 4 words passed/trial      .69 .49 .001 .69
Model 2 .67 .19 11.81** (1,20)     
  Week 4 words passed/trial      −.12 .83 .668 −.06
  Week 4 phonemic/trial      .92 .83 .003 .44
DV—words passed/trial set 2
Model 1 .53 .53 23.99*** (1,21)     
  Week 4 words passed/trial      .73 .06 .001 .73
Model 2 .61 .08 3.90^ (1,20)     
  Week 4 words passed/trial      .22 .11 .454 .11
  Week 4 phonemic/trial      .58 .11 .062 .28
DV—words passed/week all subsequent weeks
Model 1 .60 .60 31.88*** (1,21)     
  Week 4 words passed/trial      .78 .37 .001 .78
Model 2 .83 .23 27.20*** (1,20)     
  Week 4 words passed/trial      −.10 .51 .599 −.05
  Week 4 phonemic/trial      1.00 .51 .001 .48
  1. *** = < .001, ** = < .01, * = < .05, ^ = < .10