The name is absent

Table 2

Regression Models for the Determinants
Of Variation in Teaching Experience For Principals

Variable	Model I	Model II	Model III
Constant	0.313	1.496*	-1.163*
	(0.499)	(0.418)	(0.519)
Metropolitan Area Characteristics Population	-0.126*	-0.113*	-0.060
	(0.047)	(0.050)	(0.047)
Population Density	0.059	0.065	0.002
	(0.050)	(0.051)	(0.045)
Percent Advanced Degree	0.119**	0.116**	0.058
	(0.061)	(0.066)	(0.062)
Number of Districts	0.004	-0.010	0.017
	(0.022)	(0.023)	(0.020)
School District Characteristics
District Size	0.133*	0.126*	0.102*
	(0.039)	(0.045)	(0.041)
Percent Nonwhite Students	0.010	0.027	-0.005
	(0.028)	(0.031)	(0.027)
Mean Teaching Experience	0.482*		0.291*
	(0.106)		(0.106)
State Fixed Effects_________________	No	No	Yes
Observations	197	197	191
R-Square	0.2543	0.1338	0.1223
Adjusted R-Square	0.2267	0.1064	0.0887
F-Statistic____________________________	9.21_________	_________4.89_________	________3.64________

*Significant at the 5% level; ** Significant at 10% level. Standard errors are heteroskedasticity-
consistent.