	1st year		2nd year				3rd year
	fall		spring		fall		spring		fall		improvement
the Quality of learning score	comprehensive academic achievement
fall of first year	0.195	**	0.182	**	0.190	**	0.157	**	0.181	**	0.020
spring of 2nd year	0.231	**	0.219	**	0.239	**	0.194	**	0.234	**	0.036
fall of 2nd year	0.252	**	0.246	**	0.320	**	0.276	**	0.322	**	0.138	**
spring of 3rd year	0.256	**	0.284	**	0.334	**	0.306	**	0.313	**	0.180	**
fall of 3rd year	0.244	**	0.256	**	0.306	**	0.296	**	0.349	**	0.178	**
the Quality of learning score	listening test
fall of first year	0.052		0.042		0.037		−0.011		0.155	**
spring of 2nd year	0.070		0.070		0.068		0.054		0.216	**
fall of 2nd year	0.059		0.122	*	0.139	**	0.080		0.276	**
spring of 3rd year	0.062		0.133	**	0.126	*	0.121	*	0.243	**
fall of 3rd year	0.103	*	0.109	*	0.105	*	0.128	*	0.288	**
the Quality of learning score	grammar comprehension
fall of first year	0.150	**	0.058		0.127	*	0.114	*	0.123	*
spring of 2nd year	0.228	**	0.114	*	0.177	**	0.183	**	0.141	**
fall of 2nd year	0.218	**	0.105	*	0.223	**	0.253	**	0.235	**
spring of 3rd year	0.206	**	0.131	*	0.224	**	0.270	**	0.198	**
fall of 3rd year	0.212	**	0.156	**	0.224	**	0.270	**	0.262	**
the Quality of learning score	conversational reading comprehension
fall of first year	0.117	*	0.030		0.069		0.120	*	0.086
spring of 2nd year	0.115	*	0.174	**	0.134	**	0.151	**	0.136	**
fall of 2nd year	0.152	**	0.137	**	0.170	**	0.165	**	0.170	**
spring of 3rd year	0.132	**	0.159	**	0.188	**	0.241	**	0.178	**
fall of 3rd year	0.097		0.115	*	0.156	**	0.217	**	0.201	**
the Quality of learning score	long reading comprehension
fall of first year	0.152	**	0.122	*	0.141	**	0.080		0.142	**
spring of 2nd year	0.196	**	0.081		0.173	**	0.057		0.174	**
fall of 2nd year	0.220	**	0.101	*	0.209	**	0.142	**	0.237	**
spring of 3rd year	0.214	**	0.131	*	0.227	**	0.149	**	0.228	**
fall of 3rd year	0.184	**	0.120	*	0.205	**	0.137	**	0.228	**