Reports a classification of expository teaching styles of biology, chemistry and integrated science teachers in Nigeria. No evidence was found of pupil-pupil interaction in any of the lessons observed. Compares results with other studies from Britain, Canada, and Indonesia and indicates significant differences. (CW)

Courses using a Personalized System of Instruction (PSI) have proliferated in the past decade. Researchers have explored various factors related to PSI, but rarely, if ever, have students' study habits or preferences been considered. A questionnaire examining the study habits, exam preferences and attitudes toward various instructional formats was…

Computer literacy has been identified as one of the most important factors for the effective use of computer-based technology in the workplace. Managers need to know the most efficient methods available to teach computer skills to their employees in a short time. Such methods need to be suitable for all employees, whether academically gifted or…