Answer:
the extent to which a stimulus or task is relevant to a consumer's existing needs, wants, or values.
Step-by-step explanation:
Cognition refers to the mental process of understanding through thought and experience about some particular subject, when the subject relates to the purchase decision, it shall involve the actions of a consumer towards their wants, needs and the values they demand.
When making a purchase decision a person shall consider the actions of consumers behaviour about their needs and demands from the products.