Information about Data Analysis With Spss - Reliability

Obtaining Reliability of Scale Obtaining Cronbach’s Alpha: Analyze -> Scale ->Reliability Analysis

Obtaining Cronbach’s Alpha:

Analyze -> Scale ->Reliability Analysis

Reliability Model -> Alpha

Model -> Alpha

Reliability Drag items on the left to the right dialog box In this case: items p1 to p21

Drag items on the left to the right dialog box

In this case: items p1 to p21

Reliability Press “statistics” Choose “scale if item deleted” Then Press “continue” Then “OK”

Press “statistics”

Choose “scale if item deleted”

Then Press “continue”

Then “OK”

Reliability The SPSS Output

The SPSS Output

672 cases (observations/respondents) were used in the calculation of Cronbach’s alpha

The obtained alpha score is 0.915, which indicates that the scale has high internal consistency (reliability)

Under the “Cronbach’s Alpha if Item deleted” the reliability of 0.915 is the highest, so it is not necessary to delete any of the items to improve the reliability score of this scale

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