Brewster Measures the Height and Age of Four and Five

question 56

Multiple Choice

Brewster measures the height and age of four and five year-olds.To his surprise,he finds no correlation between height and age.What is most likely responsible for his results?

• A) Age and height are not related.
• B) A curvilinear relationship exists between the variables.
• C) He has restricted the range of the variables.
• D) There is too much variability in the sample to accurately calculate a correlation coefficient.

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Definitions:

Industrial/Organizational Psychologists

Psychologists specializing in the application of psychological principles and techniques to workplace environments, issues, and behaviors.

Behavior Modification

A treatment approach, based on the principles of operant conditioning, that replaces undesirable behaviors with more desirable ones through positive or negative reinforcement.

Yerkes-Dodson Law

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Task Difficulty

The level of challenge presented by a task, which can influence a person's performance and effort required to complete it.