All of the following contribute to varying estimates of the number of children with a hearing impairment EXCEPT
A)unwillingness of schools to have children tested.
B)the sample of the population chosen for study.
C)differences in definition of the exceptionality.
D)accuracy of testing procedures.

Question

Quizplus · Accepted Answer

The unwillingness of schools to have children tested may pose a barrier to identifying children with hearing impairments, but this is not a factor that contributes to varying estimates of the number of children with a hearing impairment. The factors that do contribute to varying estimates include the sample chosen for study, differences in definition of the exceptionality, and accuracy of testing procedures.

All of the Following Contribute to Varying Estimates of the Number