This study investigated the effect of derivational suffix instruction on vocabulary knowledge. Fifty-eight high school learners were recruited to participate in the study. The learners were divided into control (n = 29) and experimental (n = 29) groups. The experimental group received a Fundamental English II course with an emphasis on…

This research explored the effectiveness of using the word network technique to teach English vocabulary to first graders in Thai Primary schools. The 150 top-frequency words used in three nationally-used textbooks were inventoried. The list of the words then was compared with the list proposed by the Ministry of Education, Thailand. The combined…

The context clue strategy to derive the meaning of unfamiliar words and its effectiveness have been generally accepted, and the strategy is widely taught to ESL/EFL students. This study aimed to (1) compare the abilities in making use of context clues to derive the meaning of vocabulary among four groups of English major undergraduate students…