How the tone of advertising impacts donor conversion
Experiment ID: #2779
The Heritage Foundation
Experiment Summary
Timeframe: 08/24/2017 - 10/03/2017
The Heritage Foundation had learned from previous experiments that a homepage callout section that focused on new member acquisition as able to drive a high volume of donor motivated traffic. In previous tests on this callout, we had tested the entire funnel and found that a membership offer was the highest performing with regards to new donors but that the “Drain the Swamp” message resulted in the most clicks.
We decided to test out a “Drain the Swamp” message on the homepage callout against the standard “Join Heritage” language. Both of these would include a final call to action of “Become a member” and would land on the same donation landing page that focused on membership as the offer.
Research Question
Will the more action-oriented “Drain the Swamp” message increase the motivation of visitors clicking on the callout enough to influence donor conversion?
Design
C: Join Heritage
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) ) )
Results
| Treatment Name | Conv. Rate | Relative Difference | Confidence | |
|---|---|---|---|---|
| C: | Join Heritage | 0.04% | ||
| T1: | Drain the Swamp | 0.09% | 115.9% | 99.6% |
This experiment has a required sample size of 22,265 in order to be valid. Since the experiment had a total sample size of 98,494, and the level of confidence is above 95% the experiment results are valid.
Flux Metrics Affected
The Flux Metrics analyze the three primary metrics that affect revenue (traffic, conversion rate, and average gift). This experiment produced the following results:
0% increase in traffic
× 115.9% increase in conversion rate
× 0% increase in average gift
Key Learnings
We found that the “Drain the Swamp” message was able to increase overall donor conversion by 116%. When we analyze the differences between the two versions, we can see that the “Drain the Swamp” message is highly action-oriented compared to the “Join Heritage” message that focused more on the past accomplishments and what Heritage is rather than what it will do. This leads to the hypothesis that people support Heritage based upon what it will do, not on what it has done in the past.