Assessment Development Department


Speech-Language Development

Bethel is developing formal and informal tests to assess speech-language acquisition skills in Mandarin-speaking children. These tests will be used in speech-language disorders diagnosis, treatment planning, and outcomes measurement in language acquisition and communication disorders research.

Diagnostic Receptive and Expressive Assessment of Mandarin – Comprehensive Test (DREAM-C) “梦想”普通话标准化听力理解和表达能力评估is the first comprehensive standardized norm-referenced Mandarin language assessment for children between the ages of 2.5-8 years.   Standardized language assessments are scientifically designed and developed to represent normal language development in children.  Standardized language assessments are used as the most reliable clinical tools for diagnosing and treating language delays and disorders in the United States.  DREAM helps Chinese specialists determine a child’s level of language development relative to those of normally developing children.  Test results guide Chinese specialists in designing rehabilitation plans and also help professionals in tracking the child's progress over time.

Liu, X.L, de Villiers, J.G., Ning, C.Y., Rolfhus, E., Hutchings, T. Lee, W., . . . Zhang, Y.W. (2015).  New Language Outcome Measures for Hearing Impaired Children in Mandarin. Chinese Journal of Otology, 13(4), 617-622.

Liu, X.L. (2015).  Current Trends in Outcome Studies for Children with Hearing Impairment.  Chinese Journal of Otology, 13(4), 568-577.

Oral Mechanism Development

Bethel is developing evidence-based oral mechanism screening examinations to effectively identify early signs of oral motor weakness and incoordination. Structural and physiological aspects of oral motor functioning must be addressed for the development of normal speech patterns to occur.