•This is the earliest model of media effects and popular with many people who fear the moral effects of the media.•It views the media like a syringe which injects ideas, attitudes and beliefs into the audience, who are a powerless mass with little choice but to be influenced. In other words, if you watch something violent, you may go and do something violent.•If you see a woman washing up on TV, you will want to do the same yourself if you are woman, and if you are a man you will expect women to do the washing up for you.•