Compute the Cronbach alpha for the following scales. Are they reliabile enough?
Exercise 1: Change scale (CHG)
Scale item or total | Variance |
chg 1 | 1.50 |
chg 2 | 1.55 |
chg 3 | .95 |
chg 4 | 2.00 |
chg 5 | 2.45 |
chg 6 | 1.12 |
CHG total | 20.83 |
Exercise 2: Relational satisfaction scale (REL)
Scale item or total | Variance |
Rel 1 | 1.75 |
Rel 2 | 2.26 |
Rel 3 | 3.90 |
Rel 4 | .99 |
REL total | 15.29 |