The Main Purpose of Using Random Assignment in a Research

question 119

Multiple Choice

The main purpose of using random assignment in a research study is to ______.

• A) increase the ability to make cause-effect inferences between variables
• B) increase the external validity of a study
• C) increase the ability to generalize the results of a study to a larger population
• D) make the sample resemble the population as closely as possible

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Definitions:

Practical Intelligence

A type of intelligence related to the ability to solve everyday problems by utilizing knowledge gained from experience in contrast to theoretical or academic knowledge.

Intrapersonal

Relating to or within a person's own mind or self.

Interquartile Range

The difference between the 75th and 25th percentiles of a data set, representing the middle 50%.

Third Quartile

The value below which 75% of the data fall, often represented as Q3 in statistics.