The evaluation of sign language proficiency needs to be based on measures with well-established psychometric proprieties. To date, no valid and reliable test is available to assess Polish Sign Language ("Polski Jezyk Migowy," PJM) skills in deaf children. Hence, our aim with this study was to adapt the British Sign Language Receptive…

This study illustrates the use of score equity assessment (SEA) for evaluating the fairness of reported test scores from assessments intended for test takers from diverse cultural, linguistic, and educational backgrounds, using a workplace English proficiency test. Subgroups were defined by test-taker background characteristics that research has…

Considers the ecological validity of tests in predicting the effects of speech and language impairment on communicative performance in real-world settings and the need for systematic observation of communicative behaviors, particularly of individuals from other cultures. Discusses whether standardized testing and systematic observation are…