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A screeing table for 1-3 years children on language developing delay in Beijing

Objective; Working out a mental development scale which is suitable for diagnosing language retardation. Method: In the light of the Beijing statistics yearbook(2000),the samples consisted of 582 children aged 1-3 years old were collected in a stratified and random way according to city rank , age, sex , paternal occupation. Each subject was tested individually and filled in a form. In the end, all the forms were analyzed applying to Spss 10.0 for Windows.Results: The sample had better representation. Item analysis indicated that the scale had suitable difficulty and highly discriminating function. The scale had high reliability and validity.Conclusion; screening and diagnosing language retardation scales have ideal reliability and validity. Apart from using in the intelligent assessment Beijing.
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