How to Use SPSS:Dealing with Outliers

Techniques fordealing with outliers that may be present in a data distribution. References: Duan, B. (1997). The robustness of trimming and Winsorization when the population distribution is skewed. Unpublished dissertation, Tulane University, New Orleans. Hawkins, D. M. (1980). Identification of outliers. London: Chapman & Hall.