Speech-Language Pathologists Who Engage in Evidence-Based AAC Clinical Practice

question 4

Multiple Choice

Speech-language pathologists who engage in evidence-based AAC clinical practice

• A)Should compare the communication abilities of AAC users with the communication abilities of persons without disability
• B)Must wait for completion of randomized studies that compare treatment groups to control groups
• C)Document changes in the communication abilities of AAC clients before and after treatment
• D)All of the above

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Definitions:

Reflected Light

Light that bounces off an object's surface, which can be perceived and analyzed to determine the object's properties.

Visual Spectrum

the range of wavelengths of electromagnetic radiation visible to the human eye, generally considered to be between 400 and 700 nanometers.

Electromagnetic Spectrum

The range of all types of electromagnetic radiation, which includes, among others, radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Low Frequencies

Refers to sounds or signals that have a relatively small number of cycles or oscillations per second; in audio, it typically describes bass sounds.