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

 

 

 

 

COM 582 Descriptive and Experimental Research in Communication

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