Abstract
When sample sizes and/or X intervals are unequal, the analysis of variance computations for trend analysis become quite complicated. This is because the usual simplicity of analysis of variance algorithms depend upon "regular" conditions for which sources of variance are orthogonal. This article shows how multiple regression/ correlation analysis, a more general procedure that allows for non-orthogonality, may be applied in order to accomplish with great simplicity trend analysis under "irregular" conditions.
Subject
Applied Mathematics,Applied Psychology,Developmental and Educational Psychology,Education
Reference5 articles.
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2. Unequal intervals and unequal n in trend analyses.
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