These data concern interactions in a small business office, recorded by an "unobtrusive" observer. Observations were made as the observer patrolled a fixed route through the office every fifteen minutes during two four-day periods. BKOFFB contains the observed frequency of interactions; BKOFFC contains rankings of interaction frequency as recalled by the employees over the two-week period.
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Bernard H. R., Killworth P. and Sailer L. (1982). Informant accuracy in social network data V. Social Science Research, 11, 30-66.
Romney A. K. and Weller S. (1984). Predicting informant accuracy from patterns of recall among individuals. Social Networks, 6, 59-78.