1. (1980). Practical nonparametric statistics (2nd ed.). New York: Wiley.
2. & (1977). Nonparametric and distribution free methods for the social sciences. Monterey, CA: Brooks/Cole.
3. , , and (1980, March). A study of the research priorities as perceived by elementary and secondary school personnel. Paper presented at 28th NSTA National Convention, Anaheim, CA.
4. , , and (1979, March). A study of the research priorities by public school science personnel. Paper presented at NARST Meeting, Atlanta, GA.