Received: 14 November 2021
Accepted: 4 January 2022
First Online: 23 February 2022
: The present study was with ethical number 160-2018. This study was approved by the Medical Research Ethics Committee of the phoniatric department and Ethical Committee of AlKasrAlEiny University on 5 December 2018.The consent was taken from the Directorate of Education in Cairo before starting the study. Some schools in Greater Cairo Educational Region were chosen according to school approval to implement the protocol of assessment on their children. A security approval to these schools which were selected for this study was taken. An informed written consent was taken from all the parents/guardians of all participants to apply this language test in which it includes the methods of applying the test and privacy control, and no hazards have resulted from the test.
: Not applicable
: The authors declare that they have no competing interests.