4.0 Analyze buyer behavior using the consumer decision-making model. 

4.1 Examine the stages in the consumer decision-making model. 

4.2 Distinguish among the three types of consumer decision processes. 

4.3 Determine the impact of situational influences on the buying decision process. 

4.4 Explain the impact of psychological influences on consumer behavior.

4.5 Identify socio-cultural influences and their impact on consumer behavior.