Which Statement Illustrates Evidence That Intellectual Disability Probably Has Environmental

question 66

Multiple Choice

Which statement illustrates evidence that intellectual disability probably has environmental causes

• A) Most individuals with mild intellectual disability are from lower socioeconomic classes which exposes them to unfavourable environments. 
• B) Most individuals with profound intellectual disability are from higher socioeconomic classes. 
• C) Most individuals in lower socioeconomic classes have IQs lower than 100. 
• D) Most individuals with Down syndrome are from higher socioeconomic classes.

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Definitions:

Simple Linear Regression

Regression analysis involving one independent variable and one dependent variable in which the relationship between the variables is approximated by a straight line.

Coefficient Of Determination

A measure, usually represented as R^2, that shows the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Variance

A measurement of the spread between numbers in a data set, signaling how far each number in the set is from the mean.

MSE

Mean Squared Error, a measure of the average squared differences between the estimated values and the actual value, indicating the quality of an estimator.