Answer:
Lack of interest of both receiver and sender may also affect in effective communication.For example, if you talk to your friend or another person and he/she is not paying attention towards you that what are you saying..
thats mean he/she has not interested that what you saying...Hence you cannot transfer your message to someone..so communication being stopped..
thus lack of interest may be a major barrier in communication process....
By....kashif bukhari 340-08