Which of the Following Is a Reason You Need to Be

question 25

Multiple Choice

Which of the following is a reason you need to be cautious when observing behavior?

• A) Your very presence may affect the behavior being observed.
• B) The researcher records everything that happens.
• C) Your questionnaire should not be too long and tedious.
• D) You may confuse the difficulty index with the discrimination index.

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Definitions:

Slope β

In linear regression, the coefficient β represents the slope of the line, indicating the change in the dependent variable for a one-unit change in the independent variable.

Population Coefficient

A statistical measure that describes a characteristic or aspect of a population.

Scatter Diagram

A graphical representation that shows the relationship between two variables, plotted as points on a Cartesian coordinate system.

Linear Model

A statistical model that assumes a linear relationship between input variables (independent) and a single output variable (dependent).