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Παρασκευή 1 Σεπτεμβρίου 2017

Development of a Computerized Adaptive Test of Children’s Gross Motor Skills

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Publication date: Available online 1 September 2017
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Chien-Yu Huang, Li-Chen Tung, Yeh-Tai Chou, Hing-Man Wu, Kuan-Lin Chen, Ching-Lin Hsieh
ObjectiveThis study aimed to develop a computerized adaptive test (CAT) for gross motor skills (GM-CAT) as a diagnostic test and an outcome measure, using the gross motor subtest of the Comprehensive Developmental Inventory for Infants and Toddlers (CDIIT-GM) as the candidate item bank. Moreover, we examined the psychometric properties and the efficiency of the GM-CAT.SettingA developmental center of a medical centerDesignRetrospective study.ParticipantsChildren with and without developmental delay (N=1,738)InterventionsNot Applicable.Main Outcome MeasuresThe CDIIT-GM contains 56 universal items on gross motor skills assessing children's antigravity control, locomotion, and body movement coordination.ResultsThe item bank of the GM-CAT had 44 items that met the dichotomous Rasch model's assumptions. High Rasch person reliabilities were found for each estimated gross motor skill for the GM-CAT (Rasch person reliabilities = 0.940 ∼ 0.995, standard error = 0.68∼2.43). For children of 6 ∼ 71 months, the GM-CAT had good concurrent validity (rs = 0.97 ∼ 0.98), adequate to excellent diagnostic accuracy (area under receiver operating characteristics curve = 0.80 ∼ 0.98), and moderate to large responsiveness (effect size =0.65 ∼ 5.82). The averages of items administered for the GM-CAT were 7 to 11, depending on the age group.ConclusionsThe results of this study support the use of the GM-CAT as a diagnostic and outcome measure to estimate children's gross motor skills in both research and clinical settings.



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