|Author:||Poon, Magdalene Yan-che|
|Title:||Validation of Miller Assessment for Preschoolers (Cantonese version)|
|Subject:||Developmentally disabled children -- Testing|
Developmentally disabled children -- China -- Hong Kong -- Testing
Hong Kong Polytechnic University -- Dissertations
|Department:||Department of Rehabilitation Sciences|
|Pages:||xi, 193 leaves : ill. ; 30 cm|
|Abstract:||Miller Assessment for Preschoolers (MAP) is one of the popular assessment instruments used in Hong Kong for identifying children from two years nine months to five years eight months for developmental delays. This study aimed at translating three of its sub-scales: foundations, coordination, and verbal into Cantonese version (CMAP) in three age groups (II, IV and VI) and establishing the psychometric properties of CMAP. The translation and validation process involved direct and backward translation; test of equivalence between the two versions; design of new items; collection of content-related evidence by expert panel reviews; estimation of inter-rater reliability; and evaluation of construct and structural validity from a major field test. The panels consisted of six occupational therapists with an average 8.3 years of experience and six speech therapists with an average 5.2 years of experience. A total of 120 Chinese children with equal proportion of male and female in the age range from three years three months to five years eight months participated in the preliminary field test. In addition, a total of 184 children were selected by cluster random sampling from ten districts of Hong Kong to participate in the major field test. Children were 91 male and 94 female with mean age of 3.4, 4.5 and 5.5 years in their respective age groups of II, IV and VI. Result from the expert panel reviews demonstrated that the items in CMAP were relevant and representative for identifying developmental delay among Chinese children in Hong Kong. However, some of the panel members commented that the hand-to-nose and Romberg items were too easy for the children. High inter-rater reliability was estimated on the 18 items in CMAP (r= 0.80 to 1.00). Item difficulty and discriminative indices indicated that items: hand-to-nose, kneel-stand, Romberg, and stereognosis were too easy for Hong Kong children. When compared with their United States counterpart, findings revealed that children in Hong Kong tended to commit less error in the walks line test which can be explained by the difference in child rearing, parental expectation and age of schooling between Hong Kong and United States. Construct validity of the CMAP reflected that the verbal sub-scale was unidimensional and homogeneous. However, the foundations and coordination sub-scales had a less clear test structure which appeared among two to three different factors. In conclusion, the CMAP is recommended to be used as a screening instrument for children in Hong Kong. However, further studies are suggested to adjust difficulty levels of some of the items. The structural validity of some of the sub-scales require further empirical testing. Predictive validity and sensitivity of CMAP are feasible studies to be conducted to enhance the best utilization of the assessment instrument for children in Hong Kong.|
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