If Possible, the Experimenter Who Manipulates the Independent Variable Should

question 7

Multiple Choice

If possible, the experimenter who manipulates the independent variable should not also administer the measure of the dependent variable because

• A) these two tasks require different talents, and few people are able to perform both adequately.
• B) a single person performing both tasks decreases experimenter realism.
• C) a single person performing both tasks decreases external validity.
• D) a single person performing both tasks increases the likelihood of experimenter expectancy effects.

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Definitions:

Materials Inventory

The raw materials, work-in-process, and finished goods that a company holds for the purpose of production.

Direct Materials Cost

The cost of raw materials that can be directly attributed to the production of goods.

Factory Machinery

Heavy equipment and tools used in a manufacturing or production environment to produce goods.

Factory Overhead Cost

Expenses related to the operation of a manufacturing facility that are not directly tied to a specific product, including utilities, depreciation, and maintenance.