Gardner, Henry James; Martin, Michael
Likert scaled data, which are frequently collected In studies of interaction in virtual environments, demand specialized statistical tools for analysis. The routine use of statistical methods appropriate for continuous data in this context can lead to significant inferential flaws. Likert scaled data are ordinal rather than interval scaled and need to be analyzed using rank based statistical procedures that are widely available. Likert scores are "lumpy" in the sense that they cluster around a...[Show more]
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