Scientists Are Always Thinking About Ways to Improve Experimental Design

question 40

Multiple Choice

Scientists are always thinking about ways to improve experimental design.In the text's potato chip experiment,which of these changes would produce the most effective design?  

• A) Show a different movie.
• B) Exclude teenagers as group members.
• C) Collect uneaten chip remains and weigh them for both groups.
• D) Provide free drinks before the experiment.
• E) Use a smaller theater.

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Definitions:

Extinction

A reinforcement contingency in which a behavior is followed by the absence of any consequence, thereby reducing the likelihood that the behavior will be repeated in the same or similar situations.

Negative Reinforcement

A type of conditioning where an undesirable outcome or event is removed following a behavior, increasing the likelihood of that behavior's occurrence in the future.

Social Cognitive Theory

A theoretical framework that emphasizes the importance of observational learning, social experiences, and environmental factors in the development of behaviors.

Observing

involves carefully watching or monitoring phenomena, behaviors, or activities to gather information, often as part of a research process or to learn.