Tests & Measurements, Chapter 3

On a two-dimensional graph, the point on the Y axis where X equals 0.
Intercept
Residual
Correlation Coefficient
Regression Line
The difference between predicted and observed values from a regression equation.
Residual
Scatter diagram
Correlation Coefficient
Criterion Validity Evidence
The evidence that a test score corresponds to an accurate measure of interest.
Criterion Validity Evidence
Regression Line
Scatter diagram
Intercept
A picture of the relationship between two variables. For each individual, a pair of observations is obtained, and the values are plotted in a two-dimensional space created by variables X and Y.
Scatter diagram
Regression Line
Residual
Intercept
The best-fitting straight line through a set of points in a scatter diagram, found by using the principle of least squares.
Regression Line
Criterion Validity Evidence
Correlation Coefficient
Residual
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