*,

† ‡

,

a

and

, ,

.

.

, 2009

*

†

‡.

…

105

2014

by .

.

It’s the

.

, .

hough

Pa

,

.

…

106

u

p

. 60

2784

78

. 7908 .

…

107

287 3.0938 .62276

193 3.2330 .68153 2.311 0.021

p

a

n

240 3.1230 .62839

240 3.1764 .67104 0.800 0.359

.05

6 3.5869 .29780 1.786 0.078

114 3.8285 .32424

a

…

108

69 3.7762 .315421.617 0.118

51 3.8732 .33515

a no

51 3.8317 .35541

69 3.8066 .30498 0.391 0.714

a

…

109

schools.

schools.

…

110

.

.

.,

.,

,

,

pp 73

117.

pp 45 47.

25.

…

111

,

63.

372.