According to Classical Test Theory, Errors of Measurement Are

question 18

Multiple Choice

According to classical test theory, errors of measurement are

• A)always overestimates of true score.
• B)always underestimates of true score.
• C)random.
• D)constant.

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Definitions:

Seasonal Indexes

Factors used to adjust data for seasonal effects, allowing for more accurate analysis of trends over time.

Trend Line

A graphical representation that shows the general direction or pattern in data over a period of time.

Least Squares

A mathematical approach used in regression analysis to minimize the sum of the squares of the differences between observed and predicted values.

Regression Line

A line of best fit through a scatter plot of data points, illustrating the relationship between two variables in a linear regression model.