A Researcher Is Testing a Man for His Visual Absolute

question 98

Multiple Choice

A researcher is testing a man for his visual absolute threshold.The researcher presents a dim light and asks the man if he detected it.The young man wants to please the researcher,so he says "yes" every time a stimulus is presented.What approach should be taken to address this situation?

• A)have a research assistant present the stimuli.
• B)present no stimulus at all on some trials.
• C)present a very bright stimulus on some trials.
• D)identify the trials where demand characteristics are believed to be at play.

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