In contrast, although the chi-square statistic for the Grit–O
was also significant, χ2(53, N = 1,554) = 849.36, p < .001,
other goodness-of-fit indexes indicated that theGrit–O,RMSEA
= .098 (90% CI = .096–.104), CFI = .86, did not fit the data as
well as did the Grit–S.