Welcome back to our latest 'Sharp Cut.' A segment where Marc and Vassilis challenge marketing's comfort blankets.

In this episode, Marc and Vassilis discuss the traditional marketing beliefs about reach and frequency, exploring the origins of the 'rule of three' and what current research reveals about effective media strategies. Learn how to optimize your media plans by focusing on broad reach and impactful creative, backed by real-world data.

Enjoy the show!

Key Takeaways

The three-frequency rule originated from a cognitive theory, not empirical data.
The first exposure to an ad has the most significant impact on consumer behavior.
Reach should be prioritized over frequency in media planning.
Creative quality is essential for effective advertising and should not be compromised.
Many impressions counted in digital marketing may not reach real people due to ad fraud.
Audience saturation is often misdiagnosed as creative fatigue.
Broad reach is necessary to build brand awareness among future buyers.
Campaigns should run longer to maximize their effectiveness and reach.
Frequency caps should be used as tools for maximizing reach, not controlling quality.
Understanding the math behind ad distribution can lead to more effective marketing strategies.

Key Topics

Origins of the 'rule of three' in advertising
The convex response curve and diminishing returns
The importance of broad reach over frequency
Impact of ad fraud and viewability issues
Strategies for longer, more effective campaigns

Chapters:

00:00 - Introduction

02:49 - The Origins of the Three Frequency Rule

06:02 - The Impact of Cognitive Theory on Advertising

09:00 - Understanding Reach vs. Frequency

12:01 - The Mathematics of Ad Distribution

15:01 - Challenges in Measuring Effective Reach

17:54 - Creative Fatigue vs. Audience Saturation

20:59 - The Importance of Broad Reach and Quality Creative

23:52 - Practical Shifts for Effective Marketing

30:07 - Conclusion and Key Takeaways

References:

Harrison, D. W. (2022). Ad reach and frequency are not independent variables [LinkedIn post]. LinkedIn. https://www.linkedin.com/posts/dale-w-harrison

Harrison, D. W. (2022). Ad reach vs. frequency for multi-channel campaigns [LinkedIn post]. LinkedIn. https://www.linkedin.com/posts/dale-w-harrison

Krugman, H. E. (1972). Why three exposures may be enough. Journal of Advertising Research, 12(6), 11-14.

Taylor, C. R., Kennedy, E., & Sharp, B. (2009). Is once really enough? Making generalizations about advertising's convex sales response function. Journal of Advertising Research, 49(2), 198-200.

Sharp, B., Romaniuk, J., & Kennedy, E. (Eds.). (2021). Marketing: Theory, evidence, practice (3rd ed.). Oxford University Press.

Ritson, M. (2023, October 16). Consumers don't get tired of ads, only marketers do. Marketing Week. https://www.marketingweek.com/consumers-tired-ads-marketers/

Analytics at Meta. (2023). Creative fatigue: How advertisers can improve performance by managing repeated exposures. Medium. https://medium.com/@AnalyticsAtMeta

Morgan, A., Nelson-Field, K., & Field, P. (2024). The extraordinary cost of dull. System1 Group. https://system1group.com/the-extraordinary-cost-of-dull

Tindall, A. (2024). The creative dividend. System1 Group.

Analytic Partners. (2022). ROI genome report. Analytic Partners.

Dawes, J. (2021). The 95/5 rule: Why B2B growth starts long before the purchase. Ehrenberg-Bass Institute. https://marketingscience.info/the-955-rule-why-b2b-growth-starts-long-before-the-purchase/

Sandys, M. (2020). Even at the home of the black stuff, we dream of a white one [LinkedIn article]. LinkedIn. https://www.linkedin.com/pulse/even-home-black-stuff-we-dream-white-one-mark-sandys

O'Sullivan, C. (Host). (2023, December 23). Making the Guinness Christmas ad [Audio podcast episode]. In That's What I Call Marketing. Acast. https://shows.acast.com/thats-what-i-call-marketing/episodes/s2-ep39-making-the-guinness-christmas-ad

SBP 193: The Sharp Cut - Reach Don’t Teach: The Truth About Reach and Frequency