Random Assignment Is Not Necessary for Researchers to Be Able

question 47

True/False

Random assignment is not necessary for researchers to be able to infer cause and in experimental studies.

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Definitions:

First-Order Linear Regression Model

A statistical model that describes a linear relationship between a dependent variable and one independent variable, characterized by a straight line.

Population Parameters

Characteristics that describe aspects of a population, such as mean (average), variance, or standard deviation.

Y-Intercept

The point where a line or curve crosses the y-axis of a graph.

Slope

In mathematics and statistics, the measure of the steepness or incline of a line, calculated as the ratio of the vertical change to the horizontal change between two points on the line.