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Table 3 Univariate regressions. Univariate regression results for each outcome variable. All significant effects are presented with regression estimates. Non-significant intervention effects are also presented. Auditory selective attention is presented separately (see Table 6: Selective attention regression). P values for estimates are omitted since they are exactly the same as for the main effects.

From: A randomized controlled trial to examine the effect of two teaching methods on preschool children’s language and communication, executive functions, socioemotional comprehension, and early math skills

Selected results, main effects Significant predictor estimates
Outcome variable Predictor DF p Estimate SE t
Language post
Model DF = 14, error DF = 290,
R2 = 0.319
Language pre 1 <.0001 0.459 0.054 8.43
Age 1 0.014 0.079 0.032 2.48
Intervention 2 0.318    
Communication post
Model DF = 14, error DF = 302,
R2 = 0.371
Communication pre 1 <.0001 0.597 0.052 11.59
FLP 1 0.020 0.030 0.013 − 2.34
  (FLP = 1, vs FLP = 0)
Intervention 2 0.131  
EF post
Model DF = 14, error DF = 259,
R2 = 0.636
EF pre 1 <.0001 0.629 0.045 13.95
Age 1 0.001 0.020 0.006 3.32
SES 1 0.024 0.044 0.020 2.27
  Intervention 2 0.179    
TEC post
Model DF = 14, error DF = 326,
R2 = 0.368
TEC pre 1 <.0001 0.431 0.047 9.16
Age 1 0.034 0.027 0.013 2.13
Fidelity 1 0.014 0.253 0.103 2.46
Intervention 2 0.073    
Math post
Model DF = 14, error DF = 326,
R2 = 0.565
Math pre 1 <.0001 0.571 0.044 12.91
Age 1 0.001 0.140 0.042 3.31
SES 1 0.028 0.264 0.120 2.2
Intervention 2 0.892