Rationalisations are the conscious logical reasons behind a purchase. They are important to know but they are often just a smoke screen for the more powerful non-conscious motivations.
Strengths
Rationalisations - are required for consumers to be comfortable with a decision.
Rationalisations give consumers an easy way of hiding their true emotions from others.
Rationalisations can be an important way of seeking acceptance from others.
Weaknesses
Rationalisations aren’t as motivating to consumers as their non-conscious motivations.