If Researchers Are Interested in the Average Time It Takes

question 147

Multiple Choice

If researchers are interested in the average time it takes to press a button when a green light flashes on a screen,and they simply measure the reaction times of volunteers who sign up for the study,what rationale would the researchers give for not using random sampling?

• A)Sometimes generality does not matter.
• B)Sometimes generality cannot be determined.
• C)Sometimes generality can be determined.
• D)Sometimes generality can be assumed.

Distinguish between sensation and perception in the process of experiencing stimuli.

Identify factors that influence the detection of sensory stimuli, including expectations and stimulus intensity.

Understand how the physical properties of light (wavelength, amplitude) influence human visual perception.

Recognize the role of the eye structures in processing visual information.

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