10:00
Chinese student categorization
10:00
20:56
5:25
7:28
1:42
11:12
6:12
10:00
15:35
15:24
8:10
8:00
5:05
6:00
5:00
5:02
6:10
10:00
5:00
23:42
8:36
10:44
24:14
14:20
6:40
6:10
12:48
7:07
6:58
5:00
5:16
6:02
9:37
3:40
18:33
5:08
10:00
3:41
6:02
7:02
6:21
16:34
1:26
6:22
7:35
27:50
6:19
5:09
1:02
6:28
12:17
6:14
5:17
8:56
5:52
5:14
5:02
5:22
9:24
12:12