Teachers of medical psychotherapy, or other interviewing skills, have long felt the need for improved techniques in these pedogogically difficult areas.
In addition to recordings and moving pictures (which are vicarious and apt to be insufficiently close to the sphere of experience of the student), the one-way vision mirror and accompanying sound system have been widely adopted so that the process of student-patient interviewing can be demonstrated and/or supervised. But there has remained the apparent impossibility of any effective intervention in the ongoing process, the teacher being bound to the slow, cumbersome, and error-compounded retrospective approach.
In very recent years with the advent of transistors and microradio techniques a solution to this difficulty has become available. For the past three months we have had the opportunity of testing an electronic apparatus which permits the teacher to communicate comfortably and effectively with the interviewing student outside the