How can advertisers change our behaviour

30 may. According to ad-man and psychologist Adam Ferrier, is more than you'd care to admit. Ferrier is co-owner of the advertising agency The Cummins. Need recognition- Advertisers recognise what the need of the consumers is and reach out to them, after designing a product to cater to their needs. · Information. 13 feb. Advertising managers can take a cue from this research and that PUR behaviour of the consumers could be predicted by knowing their PI.