interaction
by Tagiru NAKAMURA
1. class room
1.1. one-way
1.2. two-way
2. methods
2.1. using paper worksheets
2.2. using excel worksheets
3. effects
3.1. caused by using paper worksheets
3.2. caused by teacher's feedback comments
4. emergence
4.1. finding out new relationships
4.2. finding out bugs