Which Variable in an Experiment Is Manipulated by the Researcher

question 22

Multiple Choice

Which variable in an experiment is manipulated by the researcher?

• A) Dependent variable
• B) Extraneous variable
• C) Moderating variable
• D) Independent variable
• E) Mediating variable

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Definitions:

Labour Efficiency Variance

The difference between the actual hours worked and the standard hours expected to produce a certain number of units, multiplied by the standard hourly wage rate.

Actual Direct Labour Rate

This measures the actual cost per hour of labor directly involved in the manufacturing process.

Materials Price Variance

The difference between the actual cost of direct materials purchased and the standard cost, multiplied by the quantity purchased.

Standard Quantity

The predetermined amount of materials or resources expected to be used in a production process or manufacturing of a product.