TIME EXPENDITURE OF CLASS PERIODS IN
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inutes Mean Frequency FrequencyActivity Allotted | Spent of *d>2 of *“a>SReview of PreviousWork 5 .2 3 @)Student Questions 10 iiss 8 2New MaterialIntroduced 10 9.5 5 fe)New MaterialDiscussed 25 6.42 <3 6 2 *4 = Absolute difference between time allotted and time spent per period. Student responses to questions by other students or the instructorwere answered by volunteers 86.6% of the time. An effort was made tosolicit responses from all students, however the attempt was generallynot successful. The ten students responding most frequently, responded to approximately three-fifths of all questions asked, while the next ton most frequent responders, responded 31.1% of the time. baer on ee kh Data on the Lecture-Small Group Discussion Teaching Technique The time allotments for the three distinct activity segments--a ten mimte instructor-dominated review of previous work and introductionof new material session, a thirty minute small-group discussion period,and a ten minute instructor-led class discussion segment--were keptwithin the allowed two-minute deviation on all but six occasions. Ineach of these six exceptions, the last ten-minute period was deletedand given to additional small-group discussion. The review of previous material took an average of 2.6 minutes,with a range of from one to five minutes. The introduction of newmaterial consumed an average of 6.3 minutes, with five minutes theleast amount of time given and eight minutes the greatest amount oftime devoted to this activity. The ten minute time allotment for theinitial time segment was exceeded only twice during the semester, how-ever, the deviation was within the two minute time limit both times. Data was kept on the number of times assistance was requestedof the instructor or his assistant during each class period. Table 7lists the average frequency of requests for assistance per session byall groups. The figures include first and second requests by the samegroup. It will be noted that since there were either six or eightgroups per day, the average number of requests per group per day wasabout one. The number of requests for assistance was much lower thananticipated, in fact, with few exceptions one person could have handledall requests without causing a great deal of delay to any one groupe Anaccurate count of the number of first requests and the number of secondrequests was not kept. However, both the instructor and his assistant feel that the ratio was near two first requests to each second request.
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