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Jan 9, 2019 at 15:01 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Oct 17, 2017 at 23:04 comment added Jeffrey Girard I'd also check the between-student variance. If this is too low, then high correlations will not be possible. By the way, Cronbach's alpha for dichotomous data is the same as Kuder-Richardson Formula 20 (KR-20).
Sep 9, 2017 at 11:42 answer added Peter Flom timeline score: 1
Sep 9, 2017 at 10:49 comment added mdewey First thing is to look at the inter-item correlations. If many are negative you know where to look next.
Sep 9, 2017 at 10:07 review First posts
Sep 9, 2017 at 13:20
Sep 9, 2017 at 10:03 history asked Maheswari CC BY-SA 3.0