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A recent question on what online educational tools people use generated a lot of answers, among them a suggestion to use Second Life. I looked into it a few years ago and it appeared to me that...
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My 28-item questionnaire (Likert scale 1 - 5) consists of five constructs. For one particular construct (9 items) I get an alpha of 0.687, with a sample of n = 301. When I select subsets of cases...
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