Blogs and articles
The headphones were attached to rails on the ceiling of the classroom. The French teacher lowered them and while we were holding our breath, we each took a headphone: we had a French listening test.
In our courses we advise to limit the input of new vocabulary to approximately 3 target structures (chunks) per lesson series.
Why so little?
If you know how the human memory works, you can adjust your lessons to that. Consequence? Students showing greater proficiency and a higher language awareness, students who are more motivated because the lessons fit our natural learning process.
Justin Slocum Bailey gave a very inspiring, practical workshop about how teachers can keep their voice & energy level healthy when teaching language in a dynamic way.