निम्नलिखित में से किस मॉडल का मुख्य फोकस पांच-चरणीय उपभोक्ता निर्णय प्रक्रिया है?

Which among the following is NOT a traditional model of consumer behavior?

Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): Cognitive dissonance frequently increases post-purchase for high-involvement products. Reason (R): Consumers seek to psychologically justify expensive or irreversible purchase decisions. In light of the above statements, choose the correct answer from the options given below: