Final answer:
A perceptual set refers to a mental predisposition that influences what we perceive. Our perceptions are not solely based on the sensory information we receive; they are also influenced by our personalities, experiences, and expectations.
Step-by-step explanation:
A perceptual set refers to a mental predisposition that influences what we perceive. Our perceptions are not solely based on the sensory information we receive; they are also influenced by our personalities, experiences, and expectations. For example, research has shown that verbal priming can bias our interpretation of ambiguous figures. This means that our mental state can shape how we perceive the world around us.