An observer must know that social learning is occurring for it to be effective.

False

Explanation:

An observer does not need to know that social learning is occurring for it to be effective. In fact, social learning occurs all the time, even when we are not paying attention to it. Social learning refers to the acquisition of knowledge based on the observation or imitation of other people. It is one of the main ways in which people learn to live in society.

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.