When One Has the Option,a Related-Samples Design Should Be Chosen

question 37

Multiple Choice

When one has the option,a related-samples design should be chosen over an independent samples design because

• A)related samples result in more variability,and therefore the design is more powerful.
• B)related samples result in less variability,and therefore the design is more powerful.
• C)related samples designs are simpler to use.
• D)related samples designs are intrinsically better than independent samples designs.

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Definitions:

Chemical

A substance produced by or used in a chemical process, characterized by having a specific molecular composition.

Absolute Sensory Threshold

Defined as the minimum intensity of a stimulus that is needed for the stimulus to be detected at least 50% of the time.

Stimulus

Any object or event that elicits a sensory or behavioral response in an organism.

Subliminal

Referring to stimuli or messages presented below the threshold of conscious perception, capable of influencing thoughts, feelings, or actions.