Have you read the book "The theory of reasoned action"? How much information can you recall from the said book? Take this quiz if you have read the book to find out if you retained any information about it.
To predict consumer intentions and behaviour
To develop new products for consumers
To create cognitive cues
To increase sales
Goals Versus Behaviors: distinction between a goal intention (an ultimate accomplishment such as losing 10 pounds) and a behavioral intention (taking a diet pill)
The Choice Among Alternatives: the presence of choice may dramatically change the nature of the intention formation process and the role of intentions in the performance of behaviour
Intentions Versus Estimates: there are clearly times when what one intends to do and what one actually expects to do are quite different
External Influence: external influence is not taken into account for, therefore the individual may act differently under social influence
Here's an interesting quiz for you.