Prevalence is usually expressed as a
A. percentage.
B. ratio.
C. fraction.
D. frequency.
a
You might also like to view...
A(n) ______________ is not a hearing aid but a tiny array of electrodes implanted in the cochlea of the inner ear
a. cochlear implant b. sound field system c. ear phone
According to our text, which of the following is NOT identified as necessary to the effective implementation of comprehensive classroom management skills?
a. Using research and theory as a basis. b. Establishing positive peer and student-teacher relationships. c. Using a wide-range of methods to correct inappropriate behavior and involving students the behavior-change process. d. Collaborating with other adults who show initiative in assisting children with behavior management.
Exposure to cigarette smoke, lead, and alcohol are which of the following environmental causes/factors of ADHD?
A. Prenatal B. Perinatal C. Genetic D. Biological
The point at which a person first perceives the softest sound at each frequency level is defined as
A) an audiogram. B) a decibel. C) the hearing threshold. D) a pure sound.