Hannah Has Developed a Scale for Assessing Social Interaction Among

question 70

Multiple Choice

Hannah has developed a scale for assessing social interaction among children with moderate to severe developmental disabilities.She decides to look at the interrelationships among the items in the test. Hannah is assessing ____ reliability.

• A)inter-rater
• B)test-retest
• C)parallel-forms
• D)internal consistency

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Definitions:

Slope

The rate of change in the variable on the y-axis per unit change in the variable on the x-axis in a linear equation.

First-order

Generally pertains to the most basic or primary level of something, often used in mathematical and logical expressions indicating the initial or simplest case.

Least Squares Method

The least squares method is a statistical technique used to determine the best-fit line for a set of data, by minimizing the sum of the squares of the differences between observed and estimated values.

Best Fit

A method or line that best approximates the relationship between variables in a set of data.