(a) audiotaping each lesson
(b) autiotaping interviews with the teacher
(c) autiotaping students interactions during lessons
(d) audiotaping a few selected students outside of lessons
(e) obtaining the teachers' scheme of work for the topic
(f) askingth e teacher to keep a diary
(g) copyinga ll worksheets etc handed out
(h) photocopying(w ith consent) students' work
(i) carrying out pre and post surveys
(j) obtaining the teacher's assessment test and the student's answers
(k) making field notes on the lesson.