An App for Identifying Children at Risk for Developmental Problems Using Multidimensional Computerized Adaptive Testing: Development and Usability Study

Chen-Fang Hsu   ¹ , MD ;   Tsair-Wei Chien   ² , MBA ;   Julie Chi Chow   ^{1, 3} , MD ;   Yu-Tsen Yeh   ⁴ , BA ;   Willy Chou   ^{5, 6} , MD

¹ Department of Pediatrics, Chi Mei Medical Center, Chi Mei Medical Groups, Tainan, Taiwan

² Department of Medical Research, Chi Mei Medical Center, Chi Mei Medical Groups, Tainan, Taiwan

³ Department of Pediatrics, Taipei Medical University, Chi Mei Medical Groups, Taipei, Taiwan

⁴ Medical School, St George’s, University of London, London, United Kingdom

⁵ Department of Physical Medicine and Rehabilitation, Chi Mei Medical Center, Chi Mei Medical Groups, Tainan, Taiwan

⁶ Department of Physical Medicine and Rehabilitation, Chung Shan Medical University, Taichung, Taiwan