About us
A Decade of Innovation,
Empowering Clinicians,
Transforming Children's Lives
Bethel Clinical Research and Practice Milestones
At Bethel, we empower speech-language pathologist (SLPs), educators, and parents with AI-driven digital therapeutics to assess, treat, and support children with language difficulties caused by a variety of developmental conditions. Backed by cutting-edge research and technology, we provide smarter, more efficient tools for personalized therapy and evidence-based intervention. Our mission is to support every child to communicate, connect, and thrive.
Bethel Hearing and Speaking Training Center was established in the United States
Bethel was established in China
Launched DREAM-C (Diagnostic Receptive Expressive Assessment of Mandarin-Comprehensive), a norm-referenced language assessment for Mandarin-speaking children aged 2.5–8 years
Published research on Chinese children with hearing impairments in Chinese Journal of Otology
刘雪曼, de Villiers,Jill, 宁春岩, Rolfhus,Eric, Hutchings,Teresa, Lee,Wendy, 江帆, 章依文. (2015). "梦想"普通话标准化评估在听障儿童语言测试中的应用. 中华耳科学杂志, 13(4), 6.
Published a study on the reliability and validity of DREAM-C in Journal of Speech, Language, and Hearing Research
Liu, X. L., de Villiers, J., Ning, C., Rolfhus, E., Hutchings, T., Lee, W., ... & Zhang, Y. W. (2017). Research to Establish the Validity, Reliability, and Clinical Utility of a Comprehensive Language Assessment of Mandarin. Journal of Speech, Language, and Hearing Research, 60(3), 592-606.
Launched DREAM-IT (Diagnostic Receptive Expressive Assessment of Mandarin-Infant and Toddler), a norm-referenced language assessment for Mandarin-speaking children aged 0–3 years
Published research on an interdisciplinary diagnostic approach for children with speech-language disorders in Pediatric Clinics of North America
Liu, X. L., Zahrt, D. M., & Simms, M. D. (2018). An Interprofessional Team Approach to the Differential Diagnosis of Children with Language Disorders. Pediatric Clinics of North America,65(1), 73-90.
Published a study on narrative assessment for Mandarin-speaking children with language disorders in Journal of Speech, Language, and Hearing Research
Hao,Y., Li,S., Zhang,Y,W., Jiang,F., DeVilliers,J., Lee,W., &Liu,X,L. (2018). A Narrative Evaluation of Mandarin-Speaking Children With Language Impairment. Journal of Speech, Language, and Hearing Research, Vol. 61, 345-359.
Launched DREAM-S (Diagnostic Receptive Expressive Assessment of Mandarin-Screening), a standardized language screening for Mandarin-speaking children aged 2.5–8 years
Launched DREAM-IT-S (Diagnostic Receptive Expressive Assessment of Mandarin-Infant and Toddler-Screening), a standardized language screening for Mandarin-speaking children aged 0–3 years
Published Mom and Dad, Teach Me How to Talk
培声听力语言中心. 姚利群, 赵晶, 刘雪曼. (2019). 爸妈带我学说话——儿童语言发展家长指导手册. 人民卫生出版社
Established China's first medical center for communication disorders – Bethel International Medical Center in Bo'ao, Hainan
Launched PeiBan, an AI-powered language development app for parents
DREAM-C was cited by the National Clinical Guidelines for Mental Disorders (2020 Edition) issued by China's National Health Commission
精神障碍诊疗规范（2020版）. 国家卫生健康委办公厅
Published research on exhaustive pairing acquisition in Mandarin-speaking children in Journal of Psycholinguistic Research
Villiers, J. D., Ning, C., Liu, X. L., Zhang, Y. W., & Jiang, F. (2018). The Acquisition of Exhaustive Pairing in Multiple Wh-Questions in Mandarin. Journal of Psycholinguistic Research, 47(6), 1369–1389. doi: 10.1007/s10936-018-9588-1
Established Bethel Digital Therapeutics Clinical Center in Shanghai
Published research on the differential diagnosis of language disorders and other developmental disorders in Chinese Journal of Pediatrics
刘雪曼. (2021). 语言发育迟缓和语言障碍以及相关发育障碍性疾病的综合评估及鉴别诊断的临床思考框架.中华儿科杂志, 59(11):4.
The DREAM system was cited by Developmental and Behavior Pediatrics, one of China's 13th Five-Year Plan academic textbooks
金星明, & 静进. (2023). 发育与行为儿科学（第2版）. 人民卫生出版社
The DREAM system was cited by Language Rehabilitation, one of China's 13th Five-Year Plan academic textbooks
单春雷. (2021). 语言康复学. 人民卫生出版社.
Published Mom and Dad, Teach Me How to Talk—More Communication, More Growth
培声听力语言中心. (2022). 爸妈带我学说话——月沟通，月成长. 人民卫生出版社
Published research on clinical pathways for language delay and language disorders in Chinese Journal of Child Health Care
Chinese Journal of Child Health Care
刘雪曼. 语言发育迟缓与语言障碍的临床干预[J]. 中国儿童保健杂志，2022,30(8):813-817, 821.
Published research on the spontaneous language characteristics of Mandarin-speaking children with language delay in the International Journal of Language & Communication Disorders
Liu, X. L., Ning, C., Villiers, J. D., Lee, W., Rolfhus, E., Hutchings, T., ... & Zhang, Y. (2022). The characteristics of spontaneous language in young children identified as language delayed in Mandarin. International Journal of Language & Communication Disorders.
Released Looking Together, Playing Together, Talking Together, a parent-coaching early language intervention program
Collaborated with the research team at Shanghai Children's Medical Center, affiliated with Shanghai Jiao Tong University School of Medicine, to publish a study on the prevalence of Mandarin-speaking children's language disorders in The Lancet Regional Health-Western Pacific
Wu, S., Zhao, J., de Villiers, J., Liu, X. L., Rolfhus, E., Sun, X., ... & Jiang, F. (2023). Prevalence, co-occurring difficulties, and risk factors of developmental language disorder: first evidence for Mandarin-speaking children in a population-based study. The Lancet Regional Health–Western Pacific.
Published a study on the reliability and validity of DREAM-IT in the International Journal of Language & Communication Disorders
Liu, X.L., Lee, W., Rolfhus, E., Hutchings, T., Yao, L., Xie, L. et al. (2023) The development of a parent report instrument of early communication and language skills of infants and toddlers in mainland China. International Journal of Language & Communication
The DREAM system was cited by the Pediatric Diagnosis and Treatment Standards for Diagnosis and Treatment Guidelines in Developmental Behavioral Pediatrics
金星明, & 李廷玉. (2023). 儿童发育行为诊疗规范. 人民卫生出版社.
The DREAM system was cited by the Speech Language Rehabilitation Guidelines issued by the Chinese Association of Rehabilitation Medicine
陈仁吉(2023) .言语康复指南. 人民卫生出版社.
Released Imitating, Prompting, Recasting, a parent-coaching early speech intervention program
Launched SWAM-C-AI (Speech Warning-sign Assessment of Mandarin-Comprehensive-AI) & SWAM-T (Speech Warning-sign Assessment of Mandarin-Comprehensive-Treatment), a dual-system for children's speech assessment and intervention management
Launched MENT (Mandarin Expressive and Narrative Test), a norm-referenced narrative assessment for Mandarin-speaking children aged 4.5–10 years
The DREAM system was included in the globally recognized book A Guide to Global Language Assessment: A Lifespan Approach
Liu, X. L., Lee, W., Hutchings, T., de Villiers, J., & Rolfhus, E. (2024). The Development of Standardized Language Assessments and Screeners for Mandarin-Speaking Children in China: Lessons for Global Practice. In A Guide to Global Language Assessment (pp. 247-262). Routledge..
Launched SPPA (Sensory Processing and Participation Assessment), an assessment designed for occupational therapists, evaluating children aged 2-6 years.
Established Bethel Brain Science Technology Center in Chengdu
Launched DREAM x DeepSeek, an AI-powered smart assistant feature for DREAM system
Launched Bethel DREAM App on iOS for therapists supporting bilingual children worldwide outside mainland China.
Meet Bethel's Community Managers
Linda Chow
Clinical Lead
Speech Language Pathologist CCC-SLP
Board Certified
Behavior Analyst BCBA
Yvonne Ong
Community Lead
Tiana Zhang
Community Lead
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