Augmentative and Alternative Communication Devices Should Be Used with Caution

question 23

True/False

Augmentative and alternative communication devices should be used with caution as they may inadvertently decrease a student's speech production.

---

Definitions:

Sample Size

The number of observations or datapoints collected in a sample, critical in determining the precision of estimates and power of statistical tests.

Type II Error

The statistical mistake of failing to reject a null hypothesis when it is actually false.

Null Hypothesis

A statistical hypothesis that proposes there is no significant difference or effect within the specified population.

Alternative Hypothesis

A hypothesis that contradicts the null hypothesis, asserting there is a significant difference or effect.