COM 582 Descriptive and Experimental Research in Communication
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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 |