The purpose of this study is to elicit problem causing word stress patterns for Turkish EFL (English as a foreign language) learners and investigate whether Internet-based pronunciation lesson is superior to traditional pronunciation lesson in terms of enhancing Turkish EFL learners' accurate production of stressed syllables in English words. A pre-post test design with two groups of Turkish EFL learners: an experimental (N = 15) and a control group (N = 15) was used. The learners' pre- and post- test recordings were analyzed with paired samples T-test and independent samples T-test. Findings indicated that the experimental group outperformed the control group in the final test administered. A questionnaire is appended. (Contains 5 tables.)