While Participating in a Timed Experiment, the Participants in the Experimental

question 32

Multiple Choice

While participating in a timed experiment, the participants in the experimental group had to leave the room because of a fire drill. Which potential threat to internal validity would this example illustrate according to Campbell and his colleagues?

• A) maturation
• B) selection
• C) instrumentation
• D) history

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Definitions:

Relative Approach

A method of evaluation or judgment that is based on comparisons with other entities, situations, or standards, rather than absolute measures.

Desired Performance

The specific level or standard of work output or behavior that an organization expects from an employee.

Actual Performance

The real, measured outcomes of work activities or processes, as opposed to expected or assumed results.

Time And Motion Studies

The analysis of tasks to improve the efficiency of operations, usually by breaking down each task into its components and timing each element.