What are the differences among stimulation value, utility value, and ego-support value?All these terms have to do with psychology.

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Advertising or any persuasive communication can be classified by what needs are addressed (see Maslow).  The social divisions mentioned above refer to that classification -- does the rhetorical tool appeal to the listener's energies to create or advance or improve?  Or to the desire to do work more efficiently or more easily? Or is the appeal to the receiver's self-image?  These possibilities do not exhaust the motives.