Criterion validity of the Language Background Questionnaire: a self-assessment instrument

The present investigation examined relationships between the Language Background Questionnaire (LBQ) self-assessed sign language skills. LBQ self-assessed spoken communication skills, and formal independent sign and spoken communication skills assessments of young adults who are deaf or hard of hearing. Results indicated a high degree of congruence between self-assessed communication skills and formal independent assessments of communication skills. The findings establish reasonable criterion validity for the LBQ regarding self-assessed sign language and spoken communication skills.