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Specification Search
Adjusting the Line Representing Constant Fit
EMove your mouse over the adjustable line. When the pointer changes to a hand, drag
the line so that NFI1 is equal to 0.900. (Keep an eye on NFI1 in the lower left panel while
you reposition the adjustable line.)
NFI1 is the familiar form of the NFI statistic for which the baseline model requires the
observed variables to be uncorrelated without constraining their means and variances.
Points that are below the line have NFI1 > 0.900 and those above the line have
NFI1< 0.900. That is, the adjustable line separates the acceptable models from the
unacceptable ones according to a widely used convention based on a remark by Bentler
and Bonett (1980).