Table 2.

Bayesian Information Criterion values for model selection.

	BIC§	Null Model	2(ΔBIC)†
Number of Groups
2	−456.94
3	−426.77	2	60.34
4	−429.34	3	−5.15
5	−435.44	4	−12.19
Order of groups for model with 3 groups
0 (Constant)	−426.77
1 (Linear)	−432.09	0	−10.64
2 (Quadratic)	−439.63	1	−15.08
3 (Cubic)	−447.56	2	−15.86

^§BIC: Bayesian Information Criterion

^†2(ΔBIC) is the approximation of the BIC log Bayes factor, 2log_e(B₁₀)