An obstacle in Natural Language understanding is the existence of lexical gaps, i.e. words or word senses that are not in the lexicon of the system. This thesis describes the implementation of MURRAY, a learning mechanism which infers the properties of a new lexical item from its syntactical environment and infers its meaning based on context and…

This study examined the effectiveness of spaced practice and spaced review when implemented structurally within a computer assisted instruction (CAI) program. The study viewed the comparison of two levels of CAI as instructional treatments. The instructional treatments were developed as structured, which contained spaced practice and spaced…

The study reported here had three major objectives: (1) assessment of average vocabulary and comprehension levels of Japanese college students studying English as a second language (ESL) and comparison of the effectiveness of several formats for teaching vocabulary, reading comprehension, and listening comprehension; (2) comparison of three media…