Professor James Uses a System That Requires a Subject to Press

question 20

Multiple Choice

Professor James uses a system that requires a subject to press a button as soon as they see a light blink. He is measuring their reaction time. Unfortunately, his equipment is not working properly and every reaction time recorded randomly fluctuates by plus or minus 10%. You would conclude that the readings obtained with the equipment are:

• A) not reliable and not valid.
• B) reliable but not valid.
• C) not reliable but valid.
• D) reliable and valid.

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Definitions:

Stimulating Performance

The process of encouraging or motivating employees to improve their work output or to perform at a higher standard.

Job Descriptive Index

A survey instrument that measures employees' job satisfaction with various aspects of their job, including the work itself, supervision, pay, co-workers, and opportunities for promotion.

Job Satisfaction

The degree of satisfaction workers experience regarding their positions, duties, and workplace atmosphere.

Absenteeism

The habit of being frequently absent from work or other duties without good reason.