The scenario explained in the research protocol demonstrates the concept known as: inattentional blindness
Inattentional blindness is a concept that describes the tendency of an individual to fail to perceive a stimulus that was fully visible but was not expected, which can be as a result of lack of attention given to it rather than as a result of any visual impairment or defects.
Therefore, the scenario explained in the research protocol demonstrates the concept known as: inattentional blindness.
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