The Use of Augmentative Communication and Sign Language with Young

question 7

True/False

The use of augmentative communication and sign language with young children will delay their speech.

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Definitions:

Z Statistic

A type of standard score that indicates how many standard deviations an element is from the mean of the population.

Relative Risk

A measure in epidemiology that compares the risk of a health event among one group with the risk among another group.

Sample Proportion

A statistical measure that represents the proportion of success or a particular attribute in a sample.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, giving an estimate of the uncertainty around the main measurement.