Material to be added- some references

Beaman, J. G., & Grenier, M. (1998). Automating correction for number preference/ response heaping with illustrations for tourism research. Under review – SAS program and some documentation are available for nonprofit research.

Beaman, J. G., & Grenier, M..  (1997). Statistical tests and measures for the presence and influence of digit preference. Proceedings of the 1996 Northeastern Recreation Research Symposium, April 1997, US Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.

Beaman, J., Vaske, J. J., Donnelly, M. P., & Manfredo, M. J. (1997). Individual versus aggregate measures of digit preference.  Human Dimensions of Wildlife, 2, 1, 71-80.

Chu, A., Eisenhower, D., Hay, M., Morganstein, D., Neter, J., & Waksberg, J.  (1992).  Measuring the recall error in self-reported fishing and hunting activities.  Journal of Official Statistics,  8, 1, 19-39.

Chase, D. R., & Harada, M.  (1984).  Response error in self-reported recreation participation.  Journal of Leisure Research,  16, 4, 322-329.

Hultsman, W. Z., Hultsman, J. T., & Black, D. R. (1989).  “Response peaks” as a component of measurement error:  Assessment implications for self-reported data in leisure research.  Journal of Leisure Research,  21, 4, 310-315.

Heitjan, D. F., & Rubin, D. B. (1990).  Inference from coarse data via multiple imputation with application to age heaping.  Journal of the American Statistical Association, 85, 410, 304-314.

Huttenlocher, J., Hedges, L. V., & Bradburn, N. M.  (1990).  Reports of elapsed time:  Bounding and rounding processes in estimation.  Journal of Experimental Psychology:  Learning, Memory and Cognition,  16, 2, 196-213.

Lindblom, L., Roth, E.. & Shifflet, D. K. (1992). Recall bias of the US population in reporting travel behavior. Travel Tourism Research Association 23rd Annual Conference Proceedings. Westridge, Co: Travel Tourism Research Association.

Statistics Canada (1995). Canadian travel survey-1994. Ottawa, Ontario, Canada.

Rodgers, W. L., Brown, C., & Duncan, G. J.  (1993).  Errors in survey reports of earnings, hours worked, and hourly wages.  Journal of the American Statistical Association, 88, 424, 1208-1218.

Tarrant, M. A., & Manfredo, M. J.  (1993).  Digit preference, recall bias, and nonresponse bias in self reports of angling participation.  Leisure Sciences, 15, 3, 231-238.

Vaske, J. J., Beaman, J., Manfredo, M. J., Covey, D., & Knox, R.  (1996). Response strategy, recall frame and digit preference in self-reports of angling participation.  Human Dimensions of Wildlife, 1, 4, 54-68.