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 |