The current research aimed to verify the psychometric properties of the scale of the receptive and expressive language Skills Scale for children with autism disorder in the content of the VP-MAPP program. The scale was applied to a sample of (30) students with mental disabilities integrated into the preparatory stage, whose chronological ages ranged from (6-9) years. The research results showed that the percentage of agreement of the arbitrators on the arbitration elements of the scale ranged between (80-100%), and the discriminant validity of the scale was calculated, as the difference between the highest quartile and the lowest quartile was statistically significant at the level of (0.01) and in the direction of the highest quartile level; which means that the scale has strong discriminant validity. The internal consistency of the scale was also verified; The correlation coefficients between the dimensions and the total score ranged between (0.599 - 0.828), and the correlation coefficients between the score of each statement and the total score of the dimension to which it belongs ranged between (0.636 - 0.897), which are significant values at (0.01), indicating that the scale statements have an acceptable degree of consistency. The stability of the scale was verified in two ways, the first using the alpha stability coefficient, where the value of Cronbach's alpha coefficient for the scale dimensions ranged between (0.78 - 0.88), which are acceptable values
Metias, O. W. M., kalil, S. T. B., & tolba, A. H. M. (2025). Psychometric Properties of the receptive and expressive language Skills Scale for children with autism disorder in the content of the VB-MAPP program. Journal of Faculty of Education- Assiut University, (), -. doi: 10.21608/mfes.2025.353469.2075
MLA
Olfat Wagieh Metias Metias; Samuel Tamer Bushra kalil; Amani Hamed Marghani tolba. "Psychometric Properties of the receptive and expressive language Skills Scale for children with autism disorder in the content of the VB-MAPP program", Journal of Faculty of Education- Assiut University, , , 2025, -. doi: 10.21608/mfes.2025.353469.2075
HARVARD
Metias, O. W. M., kalil, S. T. B., tolba, A. H. M. (2025). 'Psychometric Properties of the receptive and expressive language Skills Scale for children with autism disorder in the content of the VB-MAPP program', Journal of Faculty of Education- Assiut University, (), pp. -. doi: 10.21608/mfes.2025.353469.2075
VANCOUVER
Metias, O. W. M., kalil, S. T. B., tolba, A. H. M. Psychometric Properties of the receptive and expressive language Skills Scale for children with autism disorder in the content of the VB-MAPP program. Journal of Faculty of Education- Assiut University, 2025; (): -. doi: 10.21608/mfes.2025.353469.2075
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