1.3.1 Vocabulary refer to the extensive vocabulary aids expression and communication. Vocabulary size has been directly linked to reading comprehension (Stahl, 1999).
1.3.2 Strategies refer to the high level plan to achieve one or more goals under conditions of uncertainty.
1.3.3 Vocabulary memory strategies refer to developing vocabulary skills is important, and this is a strategy that allows the students to develop a glossary.
1.3.4 EIC refer to the third and fourth year students, Linguistics Department, Rajamangala University of Technology Isan, Surin Campus (RMUTI).