BMC Medical Education

Table 3 Indices of goodness of fit for conceptual model of the research

From: Prediction of academic achievement based on learning strategies and outcome expectations among medical students

Fitness criteria	approximate fit indices	Model’s index value
CMIN^a	0 < CMIN<2df	82.311
df^b		37
P^c	0.01 < p ≤ 0.05	0.001
CMIN/df	0 < CMIN/df < 2	2.225
RMSEA^d	0 ≤ RMSEA ≤0.05	0.057
P (RMSEA< 0.05)	0.1 < p ≤ 1	0.232
GFI ^e	0.95 ≤ GFI ≤ 1	0.961
AGFI^f	0.9 ≤ AGFI≤1	0.930
NFI^g	0.95 ≤ NFI ≤ 1	0.964
TLI^h	0.97 ≤ TLI ≤ 1	0.969
IFIⁱ	> 0.9	0.980
CFI^j	0.97 ≤ CFI < 1	0.979
RFI^k	> 0.6	0.946

^aQ-Squared, ^bdegree of Freedom, ^cLevel of significance, ^dRoot Mean Square Error of Approximation, ^egoodness of fit index, ^f adjusted goodness of fit index ^gNonnormed Fit Index, ^h Tucker-Lewis Index, ⁱ Incremental Fit Index, ^jcomparative fit index, ^krelative fit Index

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