All of the Following Are Methods for Controlling the Effects

question 67

Multiple Choice

All of the following are methods for controlling the effects of extraneous variables in experiments except

• A) if practical, hold such extraneous variables constant
• B) assign treatments to test units randomly
• C) use experimental designs that control for the effects of extraneous variables
• D) eliminate the effect of extraneous variables on test units

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Definitions:

Cultural Heritage

The legacy of physical artifacts and intangible attributes of a group or society, including traditions, languages, and values passed down through generations.

Symbolic Ethnicity

A form of ethnicity where attachment to one’s cultural heritage is voluntary, individualistic, and often void of the obligations felt by members of the same ethnic group in past generations.

Casimir Pulaski Day

An observed day in some U.S. states honoring Casimir Pulaski, a Revolutionary War cavalry officer born in Poland, celebrated for his contributions to U.S. independence.

Polish Americans

Individuals of Polish descent residing in America, contributing to its cultural diversity and demographic landscape.