How to increase cronbach alpha in spss

Chronbach’s Alpha is a way to measure the internal consistency of a questionnaire or survey.

Cronbach’s Alpha ranges between 0 and 1, with higher values indicating that the survey or questionnaire is more reliable.

The easiest way to calculate Cronbach’s Alpha in SPSS is to use Analyze > Scale > Reliability Analysis.

The following example shows how to do so in practice.

Example: How to Calculate Cronbach’s Alpha in SPSS

Suppose a restaurant manager wants to measure overall satisfaction among customers.

She decides to send out a survey to 10 customers who can rate the restaurant on a scale of 1 to 3 for various categories.

The following dataset shows the ratings that each of the customers gave to the 3 questions on the survey:

To calculate Cronbach’s Alpha for the survey responses, click the Analyze tab, then click Scale, then click Reliability Analysis:

In the new window that appears, drag Q1, Q2 and Q3 into the Items panel.

Leave Alpha selected in the Model dropdown to indicate that you’d like to calcu

how do you calculate cronbachs alpha in spss

how to check cronbach alpha in spss