为了弥补不足，调查者本人对教师提问的问题、提问次数、所问同学水平等作了

In order to make up for inadequate investigation himself to teaching <br>problems teachers to ask questions, question number, she asked the students made a careful record levels, etc., and listen with the <br>school to discuss the problem, to observe the students' reactions, and record other matters observable .

In order to make up for the shortfall, the investigatorhimes themselves were<br>The teacher asked questions, the number of questions, the level of the students asked, etc. made a careful record, and listened to the same<br>Students discuss problems, observe students' reactions, and document other things that can be observed.

In order to make up for the deficiency, the investigator himself taught<br>The teacher's questions, the number of questions, and the level of the students he asked were recorded carefully, and the same<br>Students discuss problems, observe students' responses, and record other observable items.