Examining our own purchases can reveal how buying decisions actually occur: Describe the five stages of your own buyer decision process for a major purchase such as a car, a camera, jewelry or a stereo. Next, describe your decision process for a minor purchase such as a candy bar or a soda. Are the decision processes the same for major or minor purchases? Which steps differ and why do they change? For your purchases described previously, relate how you were influenced to make the purchase. Pick from the following list: outside sources (such as advertisements), reference or peer groups, or personal sources (such as feelings, attitudes or beliefs). In general, what is the best way to influence you? In general, which sources are the most influential in affecting purchase decisions?