Table 4 Hierarchical regression analysis summary for three dependent variables with Vineland covariate

 Model 1

.04

.04

.68

(1,17)

  Vineland total SS

.20

.69

.422

.20

 Model 2

.40

.36

9.62**

(1,16)

  Vineland total SS

−.01

.59

.968

−.01

  Week 4 words passed/trial

.64

.68

.007

.60

 Model 3

.62

.22

8.92**

(1,15)

  Vineland total SS

−.09

.49

.622

−.08

  Week 4 words passed/trial

−.03

.93

.928

−.02

  Week 4 phonemic/trial

.84

.92

.009

.47

 Model 1

.07

.07

1.36

(1,17)

  Vineland total SS

.27

.08

.260

.27

 Model 2

.47

.40

11.94**

(1,16)

  Vineland total SS

.06

.07

.764

.06

  Week 4 words passed/trial

.66

.08

.003

.63

 Model 3

.56

.09

3.02

(1,15)

  Vineland Total SS

.01

.06

.956

.01

  Week 4 words passed/trial

.25

.12

.420

.14

  Week 4 phonemic/trial

.53

.12

103

.30

 Model 1

.10

.10

1.90

(1,17)

  Vineland total SS

.32

.56

.186

.32

 Model 2

.47

.37

11.08**

(1,16)

  Vineland total SS

.11

.47

.573

.11

  Week 4 words passed/trial

.64

.54

.004

.61

 Model 2

.76

.30

18.73***

(1,15)

  Vineland total SS

.02

.33

.867

.02

  Week 4 words passed/trial

−.12

.62

.601

−.07

  Week 4 phonemic/trial

.96

.62

.001

.54