What it is
One idea, two media strands, both effects.
Brand response is the empirically validated alternative to the false choice between brand-building and performance.
The defining property of brand response is creative integration at the brief stage. The creative idea must be capable of carrying both the long-form, emotional, mental-availability work that brand-building demands and the short-form, rational, conversion-driving work that activation demands. When the same idea expresses itself in both channels, brand investment makes activation more efficient (because mental availability lowers the cost of intent capture) and activation makes brand investment more measurable (because the response data confirms that the brand is reaching live buyers).
The data supports the approach. In the IPA Effectiveness Databank, brand response campaigns underperform pure activation only slightly on short-term direct sales, underperform pure brand only slightly on long-term share growth, and outperform both on profit because they capture the full spectrum of effects. The trade-off most operators assume — that you have to pick between the long term and the short term — is not in the data. The integrated brief gets both.
Case in point
Sainsbury’s “Try Something New Today” (2008)
The archetypal brand response campaign. A brand idea about in-store discovery worked equally well as a long-term brand position (Sainsbury’s as the supermarket that helps you cook differently) and as a short-term promotional mechanic (specific recipe ideas, weekly product features, shelf-edge prompts in store).
The two strands reinforced each other rather than competing. Result: £138m incremental profit over two years, on a campaign that satisfied both the brand director and the trade-marketing team.