Janis E. Johnston is employed by the U.S. Government and is an Affiliate Faculty member in the Department of Sociology at Colorado State University. She is the author of 10 books and more than 40 journal articles, primarily in the areas of statistics and quantitative research methods.

  Kenneth J. Berry is Professor Emeritus in the Department of Sociology at Colorado State University. His specialties are quantitative methods permutation statistics. He is the author of 12 books and more than 180 journal articles, primarily in the areas of statistics and quantitative research methods.

  Michael A. Long is Professor in the Department of Sociology at Oklahoma State University. He is the author of ten books and over 100 journal articles and book chapters, primarily in the areas of environmental sociology, green criminology, food insecurity, hazards/disasters and quantitative methodology.