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Psychology: Research and Review

Table 1 Stepwise and fixed step multiple regressions considering as dependent variable Locus of Control

From: Locus of control in maltreated children: the impact of attachment and cumulative trauma

IV/Steps

R

R2

rPearson

R 2Change

F Change

df1

df2

p

IV: Attach. & Age

   

Stepwise

    

Control

        

 Secure Attachment

.370

.137

−.370

. 370

15.562

1

98

.000

Maltreated

        

 Age

.394

.155

.394

.155

10.679

1

58

.002

    

Fixed Step

    

Control

        

 1th Sec. Attachment

.370

.137

−.370

.137

15.562

1

98

.001

 2nd Age

.388

.150

−.163

.013

1.526

1

97

.220

Maltreated

        

 1th Sec. Attachment

.253

.064

.253

.064

3.956

1

58

.051

 2nd Age

.450

.203

.394

.139

9.910

1

57

.003

Control

        

 1th Age

.163

.027

−.163

.027

2.686

1

98

.104

 2nd Sec. Attachment

.388

.150

−.370

.124

14.126

1

97

.000

Maltreated

        

 1th Age

.394

.155

.394

.155

10.679

1

58

.002

 2nd Sec. Attachment

.450

.203

.253

.047

3.361

1

57

.072

IV: Attach. & Malt.

   

Stepwise

    

5–9 years

        

 Secure Attachment

.319

.102

−.319

.102

8.717

1

77

.004

10–14 years

        

 Maltreated

.591

.350

.591

.350

42.464

1

79

.001

    

Fixed Step

    

5–9 years

        

 1th Maltreated

.025

.001

.025

.001

.049

1

77

.825

 2nd Sec. Attachment

.340

.116

−.319

.115

9.880

1

76

.002

10–14 years

        

 1th Maltreated

.591

.350

.591

.350

42.464

1

79

.001

 2nd Sec. Attachment

.600

.360

−.230

.011

1.318

1

78

.255

5–9 years

        

 1th Sec. Attachment

.319

.102

−.319

.102

8.717

1

77

.004

 2nd Maltreated

.340

.116

.025

.014

1.196

1

76

.278

10–14 years

        

 1th Sec. Attachment

.230

.053

−.230

.053

4.376

1

79

.056

 2nd Maltreated

.600

.360

.591

.307

33.668

1

78

.001

  1. Secure Attachment = 0 Insecure, 1 Secure (Sec.); 1th = First Step; 2nd = Second Step
  2. Note 1: In bold statistically significant results. Note 2: IV = Independent Variable