This research was aimed at investigating L1 Thai learners' English word stress production in two aspects of English words -- 1) English words with different suffixes: suffixes affecting stress shift, i.e. '-ic' (e.g. 'fantástic'), '-ity' (e.g. 'idéntity') and '-tion / -sion' (e.g. 'eléction') and suffixes demanding stress, i.e. '-oon' (e.g.…

This cross-sectional study compares the written language of Thai EFL students in their first two years of university study. First- and second-year students (N = 170) wrote opinion paragraphs by hand in response to six prompts. Using automated textual analysis tools, clausal (subordination), phrasal (coordinated phrases and complex nominals), and…