DeCEN is a Computer Assisted Language Learning (CALL) system for helping English as a Second Language (ESL) students learn to determine the countability of English nouns. The countability of an English noun determines whether the noun needs number dis . . .

DeCEN is a Computer Assisted Language Learning (CALL) system for helping English as a Second Language (ESL) students learn to determine the countability of English nouns. The countability of an English noun determines whether the noun needs number dis . . .