Table 2.

Regression data for major vs. minor dimensions of element-enclosing rectangles in tadpoles and frogs

Tadpoles	α	R	N	Frogs	α	R	N	P-value for tadpoles and frogs having the same α
LJ depthA vs. widthA	1.089	0.983	87	Bony LJ depthA vs. widthA	1.013*	0.981	33	0.0713 (N = 120)
CH width1 vs. length1	0.985*	0.985	87	CH width2 vs. length2	0.464	0.771	31	0.0117 (N = 118)
BA width vs. length	0.947	0.993	82	Cartilage LJ depthB vs. widthB	0.619	0.938	31
P-value for regressions above having same α		0.0053 (N = 256)		Bony LJ depthC vs. widthC	1.023*	0.955	8

BA, branchial arch cartilage; CH, ceratohyal cartilage; LJ, lower jaw.

^*α not significantly different from 1 at P = 0.05.