The own person effect means that in the information acceptance activity, the listener feels that the information communicator has similarities or similarities with himself in many aspects, and psychologically regards him as his own person, thus increasing the influence of the communicator.
The statement 'The head teacher called several students who delayed their studies because of the Internet to the office, and said, I, like you, came from middle school, when we didn't know what the Internet was and focused on our studies' produces a own effect by definition.