Utilizing the Counter on a Tape Recorder as a Time-Monitoring Device
Ernest A. Lumsden · The Journal of Psychology · 1976
Summary This procedure yields a graph depicting the relationship between the counter revolutions on a tape recorder (audio or video) and the cumulative recording time that has accrued since the counter reading was “zero.” These data can readily be used in the later analyses of any recorded material to facilitate the determination of the duration of the entire recorded session, stimulus conditions, and shorter events that occurred intermittently within the entire session. More importantly, it greatly facilitates any time-sampling procedure.