	1^st year			2^nd year		3^rd year		improvement
	spring		fall	spring	fall	spring	fall	improvement
the Interest score	comprehensive academic achievement
fall of 1^st year	0.461**	0.529**		0.515**	0.513**	0.518**	0.476**	0.182**
spring of 2^nd year	0.452**	0.521**		0.525**	0.526**	0.554**	0.511**	0.136*
fall of 2^nd year	0.461**	0.493**		0.529**	0.577**	0.605**	0.548**	0.115*
spring of 3^rd year	0.444**	0.497**		0.540**	0.589**	0.616**	0.562**	0.075
fall of 3^rd year	0.499**	0.544**		0.558**	0.600**	0.655**	0.639**	0.078
the Interest score	calculation problem
fall of 1^st year	0.335**	0.479**		0.456**		0.439**	0.434**
spring of 2^nd year	0.361**	0.488**		0.451**		0.455**	0.471**
fall of 2^nd year	0.343**	0.452**		0.450**		0.527**	0.511**
spring of 3^rd year	0.334**	0.456**		0.455**		0.519**	0.514**
fall of 3^rd year	0.360**	0.459**		0.483**		0.597**	0.568**
the Intrest score	basic problem
fall of 1^st year	0.363**	0.388**		0.381**	0.452**	0.399**	0.417**
spring of 2^nd year	0.390**	0.446**		0.435**	0.456**	0.423**	0.429**
fall of 2^nd year	0.406**	0.369**		0.393**	0.548**	0.448**	0.481**
spring of 3^rd year	0.397**	0.411**		0.446**	0.549**	0.482**	0.499**
fall of 3^rd year	0.444**	0.414**		0.438**	0.596**	0.504**	0.600**