Lois tells her friend Karl to always type class assignments on an expensive typewriter because instructors are less likely to spot errors on an official-looking page.Lois's advice relies on:

Question

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Lois's advice is based on the idea that the appearance of the typed page (official-looking) will influence the instructor's perception, making them less likely to notice errors. This is an example of perceptual set, where expectations influence perception.

Lois Tells Her Friend Karl to Always Type Class Assignments