It’s interesting that you mentioned Kahoot questionnaire! If your Alpha was a bit lower than you expected, did you check the 'Cronbach's Alpha if Item Deleted' column in ...
It’s interesting that you mentioned Kahoot questionnaire! If your Alpha was a bit lower than you expected, did you check the 'Cronbach's Alpha if Item Deleted' column in your SPSS output? Sometimes there is one specific 'bad' question that, if removed, significantly boosts the reliability of the whole scale. Do you think any of your questions might have been interpreted differently by different people?