Table 4.

Bayesian Information Criterion for 2- to 6-Group Models

	2 groups	3 groups	4 groups	5 groups	6 groups
Social Competence	−1992.06	−1976.88	−1988.93	−2002.65	−2017.25
Aggressive-Oppositional Behavior	−1924.57	−1905.35	−1907.88	−1917.56	−1923.74
Learning Engagement	−2136.03	−2108.31	−2104.28	−2106.09	−2115.12
Attention Problems	−1774.55	−1751.55	−1754.95	−1766.79	−1767.17
Student-Teacher Closeness	−1668.39	−1664.66	−1670.93	−1681.89	−1695.13
Peer Rejection	−1868.32	−1875.89	−1887.98	−1901.28	−1914.66

Note: In proc traj, BIC is not multiplied by (−2); thus, larger values indicate better fit (Jones et al., 2001; Schwarz, 1978).