Vowel Screening Application

Abstract

The present study aims to investigate the index of item objective congruence Vowel Screening Application for children aged between 2 - 3 ½ years old. The procedures of the application development are as follows; 1) studying and data collection, 2) selecting words with vowel sounds in Thai language, 3) designing the application, 4) developing and implementing the application, 5) evaluating the index of item objective congruence in terms of techniques and contents and 6) testing face validity The result of the study revealed that the index of item objective congruence of the designed application covered the techniques (IOC) = 0.93 and the contents (IOC) = 0.88. The result of the implementation was used to improve the application usage in the future. The Vowel Screening Application for children aged between 2 - 3 ½ years old was considered to be suitable in screening vowel sounds translation for both normal children and children with cleft lip and cleft palate.

Keywords

• application
• children with cleft lip and cleft palate
• dysarthria,
• sound translation
• vowel sound