Using the PET microcomputer for collecting and analyzing observational data in the classroom

This report concerns the use of the PET 2001–8 microcomputer (Commodore) for taking observational data on human interactions in a classroom setting. The program enables the observer to record several different types of behavior as they occur in time and provides for calculations of frequency, duration, and latency data for the behaviors observed, using the real-time clock built into the PET. During field testing in a classroom, an observer can accurately record sequential teacher-student interactions. Because of the integration of processor, TV monitor, keyboard, and cassette deck, the PET is very portable, which increases it flexibility for observing behaviors in naturalistic settings.