Experimental Research Contains Three Essential Steps: Manipulate One Variable,measure Whether

question 145

Multiple Choice

Experimental research contains three essential steps: manipulate one variable,measure whether this manipulation effects another variable,and:

• A)calculate the correlation between the two variables.
• B)attempt to manipulate other factors.
• C)attempt to control or hold constant other factors.
• D)use random sampling.

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Definitions:

Percent Change

A mathematical calculation that indicates the percentage difference between two values, often used to measure growth or decline.

Initial Value

The starting amount before any additions, subtractions, or other changes are made.

Percent Change

A measure that indicates how much a quantity has increased or decreased in percentage terms over a specified period.

Wholesale Cost

The cost of goods purchased in large quantities directly from manufacturers or distributors before any markup for retail sale.