FACTOR STRUCTURE OF THE TOEFL INTERNET-BASED TEST ACROSS SUBGROUPS

This study assessed the invariance in the factor structure of the Test of English as a Foreign Language™ Internet‐based test (TOEFL® iBT) across subgroups of test takers who differed in native language and exposure to the English language. The subgroups were defined by (a) Indo‐European and Non‐Indo‐European language family, (b) Kachru's classification of outer and expanding circles of countries (based on prevalence of English use in educational...