A Researcher Studies the Impact of Cell Phone Use During

question 55

Multiple Choice

A researcher studies the impact of cell phone use during class lectures on college students' exam scores. Whether the results of this study help us to understand the relationship between cell phone use during class lectures and work performance in real-life institutions is a question of

• A)internal validity.
• B)study confounds.
• C)external validity.
• D)the original research hypothesis.

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Definitions:

Assembly Department

A section of a manufacturing company where components are assembled into final products.

Costs Per Unit

The total expense involved in manufacturing or acquiring a product divided by the number of units.

Step-Down Method

An allocation method used in cost accounting to assign overhead costs to products or departments, incorporating inter-departmental services.

Service Department Costs

These are costs associated with departments that do not directly produce goods but provide necessary services to production departments, like maintenance and cleaning.