Reliability Analysis

Discuss the jamovi platform, possible improvements, etc.

by kevinlech » Tue Oct 06, 2020 7:27 am

When I try to do reliability analysis, it is does not give mean and sd either for scale statistics and or item statistics. It also throws an error if one items has no variance.
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by gasper » Fri Dec 18, 2020 4:53 pm

Can you elaborate on that? If you exclude item without variance, do the problems persist?

Items without variance (in other words constants), usually end up in an error as they don't discriminate between subjects and can't be used in creation of scales, measures, etc. Just eliminate them from analysis and work from there...

Everything starts somewhere, although many physicists disagree. TP
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