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Table 2 Factor correlations and reliability estimates for the 12-items WAI-S (N = 490)

From: Longitudinal measurement invariance of the Working Alliance Inventory - Short form across coaching sessions

Factor

1

2

3

4

 

6

7

8

1. Bond (T1)

—

       

2. Bond (T2)

0.66*

—

      

3. Tasks (T1)

0.82*

0.60*

—

     

4. Tasks (T2)

0.53*

0.77*

0.61*

—

    

5. Goals (T1)

0.65*

0.50*

0.79*

0.51*

—

   

6. Goals (T2)

0.47*

0.68*

0.57*

0.81*

0.60*

—

  

7. Number of sessions

0.00

 − 0.03

0.01

 − 0.03

 − 0.03

 − 0.06

—

 

8. SWLS (T1)

0.22*

0.20*

0.20*

0.20*

0.21*

0.24*

 − 0.12*

 

Cronbach’s α

0.90

0.87

0.94

0.93

0.74

0.80

—

0.86

  1. SWLS  = satisfaction with life Scale; T = time. *p < 0.01
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