Table 3 Construct reliability and convergent validity.

From: TPACK–UotI: the validation of an assessment instrument for elementary school teachers

Variable

Item

Load

α

CR

AVE

CK

CK1

0.890

0.878

0.925

0.803

 

CK2

0.905

   
 

CK3

0.894

   

PCK

PCK1

0.904

0.901

0.938

0.835

 

PCK2

0.928

   
 

PCK3

0.910

   

PK

PK1

0.760

0.915

0.932

0.664

 

PK2

0.844

   
 

PK3

0.821

   
 

PK4

0.832

   
 

PK5

0.822

   
 

PK6

0.812

   
 

PK7

0.809

   

TCK

TCK1

0.895

0.880

0.926

0.806

 

TCK2

0.922

   
 

TCK3

0.876

   

UotI

UotI1

0.762

0.941

0.950

0.654

 

UotI10

0.802

   
 

UotI2

0.784

   
 

UotI3

0.856

   
 

UotI4

0.697

   
 

UotI5

0.828

   
 

UotI6

0.817

   
 

UotI7

0.848

   
 

UotI8

0.829

   
 

UotI9

0.851

   

TK

TK1

0.786

0.918

0.935

0.672

 

TK2

0.821

   
 

TK3

0.826

   
 

TK4

0.845

   
 

TK5

0.817

   
 

TK6

0.842

   
 

TK7

0.797

   

TPACK

TPACK1

0.886

0.929

0.946

0.779

 

TPACK2

0.895

   
 

TPACK3

0.889

   
 

TPACK4

0.864

   
 

TPACK5

0.879

   

TPK

TPK2

0.917

0.812

0.914

0.842

 

TPK3

0.918