Zachary Is Trying to Gain Weight

question 21

Multiple Choice

Zachary is trying to gain weight.He complains that he has a hard time eating a lot of food at one meal.You advise him to:

• A)eat energy-dense snacks between meals.
• B)eat more slowly.
• C)drink less water.
• D)eat a salad before his meal.

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Definitions:

External Validity

The degree to which the results of an experiment may be generalized.

Strong Manipulation

The application of a significant change or intervention in an experiment, aiming to produce a noticeable effect on the dependent variable.

Internal Validity

The certainty with which results of an experiment can be attributed to the manipulation of the independent variable rather than to some other, confounding variable.

Ceiling Effect

Failure of a measure to detect a difference because it was too easy (also see floor effect).