Second Language Testing, Inc. (SLTI)

Second Language Testing, Inc. (SLTI) is the first company of its kind—focusing on the development of tests of language skills and the translation of standardized tests. We also carry out assessment research, such as psychometric studies, rater standardization studies, and independent technical evaluations. Located in Princeton, NJ, SLTI’s team includes test development and translation specialists. We also maintain a worldwide network of consultants, as well as translators and language specialists for over 50 languages. At SLTI, we: • Develop assessments of language skills that are valid and reliable. • Provide test-translation services as an accommodation in large-scale, standardized tests. • Promote the creation of assessments that are maximally accessible to English Language Learners. • Serve as a resource for language testing research.