​In the Context of the Various Levels of Cognitive Disability

question 20

Multiple Choice

​In the context of the various levels of cognitive disability, people at the _____ level develop communication and social skills similar to other people's and their cognitive disability is often not recognized until they are in the third or fourth grade.

• A) ​moderate cognitive disability
• B) ​severe cognitive disability
• C) ​mild cognitive disability
• D) ​profound cognitive disability

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Definitions:

Population Mean

The average of all the values in a population, representing the central or typical value of the population.

Confidence Interval

A collection of values obtained from statistical samples that is expected to encompass the value of an undetermined population parameter at a given confidence level.

Margin of Error

An expression of the amount of random sampling error in a survey's results, representing the range within which the true population parameter is expected to lie.

Margin of Error

The amount of error allowed in the results of a poll or survey, reflecting the confidence in the results.