Errors of misclassification and their effects on categorical data analysis are discussed. The chi-square test for equality of two proportions is examined in the context of errorful categorical data. The effects of such errors are illustrated. A correction procedure is developed and discussed. (Author/MH)

Reports the results of research that used descriptor subfiles in the online version of "MLA Bibliography" to quantify literary warrant in the domain of scholarly work about fiction. Topics discussed include domain analysis; the interaction between literary works, scholars, and library classification systems; and further research…

This study compares the rates of single renewal and return from the home loan of English language books of The Ohio State University Libraries across subjects and patron status. The chi square test of equal proportionality is used to make comparisons between data sets. Ten sources are given. (Author/EJS)

This study was conducted to determine whether the traditional classroom approach to instruction involving the addition and subtraction of number facts (digits 0-6) is more or less effective than the traditional classroom approach plus a commercially-prepared computer game. A pretest-posttest control group design was used with two groups of first…