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. Author manuscript; available in PMC: 2022 Aug 31.
Published in final edited form as: J Cogn Enhanc. 2021 Jun 7;5(4):480–498. doi: 10.1007/s41465-021-00216-5

Table 2.

Fit indices for the three baseline models fitted to the data

χ2/df CFI RMSEA
Linear 213,932/61 0.927 0.108
Quadratic 131,582/57 0.965 0.078
Piecewise linear 99.09/52 0.978 0.065

CFI, comparative fit index; RMSEA, root mean square error of approximation