The Effect of English Language on Multiple Choice Question Scores of Thai Medical Students.

Background: Universities in Thailand are preparing for Thailand's integration into the ASEAN Economic Community (AEC) by increasing the number of tests in English language. English language is not the native language of Thailand Differences in English language proficiency may affect scores among test-takers, even when subject knowledge among test-takers is comparable and may falsely represent the knowledge level of the test-taker.

Objective: To study the impact of English language multiple choice test questions on test scores of medical students.