If Researchers Have Used a Random Assignment and Held All

question 12

Multiple Choice

If researchers have used a random assignment and held all other conditions constant, they can be confident that the findings of the study are the result of manipulation of which variable?

• A)independent
• B)coefficient
• C)corresponding
• D)dependant

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Definitions:

Observational Study

A study where the researcher observes and records behavior or outcomes without manipulating any variables.

Supermarket Chains

Refers to large retail entities that operate multiple stores under the same brand or ownership, specializing in selling a wide variety of groceries and household products.

Average Prices

The sum of the prices of all items in a set divided by the number of items, used to give a central value of the dataset.

Levels

Different positions or stages in a hierarchical process, system, or organization; in statistics, it refers to the different conditions or values that an independent variable can take.