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. Author manuscript; available in PMC: 2013 Aug 27.
Published in final edited form as: Behav Genet. 2013 Jun 13;43(4):274–285. doi: 10.1007/s10519-013-9600-3

Table 4.

Model-fitting results for bivariate biometric dual change score models

Overall misfit (−2LL)
Models Parameters Spatial Speed
Full model 28 35399 36567
1. Drop shared env. 22 35400 36567
2. Drop γ factor → FEV1 21 35400 36568
3. Drop γ FEV1 → factor 21 35415* 36577*
4. Drop all coupling 20 35418* 36583*
*

Significant change in model fit versus model 1 (p < 0.01)