Cryptography is the science that renders data unintelligible to prevent its unauthorized disclosure or modification. Presents an application of matrices used in linear transformations to illustrate a cryptographic system. An example is provided. (17 references) (MDH)

This manuscript addresses the question of who makes the better university professor.--Is it the person with experience in the field as a K-12 administrator or the one directly out of college with only in-depth knowledge of educational administration theory? The study was performed at a southern university using graduate educational leadership and…

This handbook documents the comprehensive evaluation and training system that is being used with Indiana's adult basic education programs. It consists of a set of instruments to assess the effectiveness of ABE programs and a series of workshops to train program providers to carry out the evaluation. Two introductory sections contain a guide to the…

This codebook is one of a series designed to document the data collection of the 1990-91 Schools and Staffing Survey (SASS). The series contains the variable names and position numbers for all survey and sampling data. All data have been imputed to compensate for item nonresponse. This volume contains the restricted use codebooks for the SASS…

This revision of the "Basic/Essential Skills Taxonomy" exhibits changes based on use of the original taxonomy in the field. It features more precise definitions of the levels of key words and phrases, the deletion of some science items that ranged above basic skills, the combination of the language arts sections from the original two parts, and…