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The _ is a person within a reference group who, because of special skills, knowledge, personality, or other characteristics, exerts influence on others.
a. facilitator
b. referent actor
c. opinion leader
d. social role player
>>>>>>>>>>>>>> c. opinion leader. >>>>>>>>>>>>>>>>>>>
Changes in an individual behaviour arising from experience
all of this is the person you want
Thank you for your excellent questions
c. opinion leader
c. opinion leader^^^^^^^^^^^^^
c. opinion leader............... . . .