The Heritage Foundation
How using Facebook’s “Donate” optimization method decreased results
Experiment ID: #11944
The Heritage Foundation
Experiment Summary
Timeframe: 05/07/2019 - 05/16/2019
In an attempt to understand whether or not the “Donate” optimization method could produce better results than the “Purchase” optimization method within Facebook, we decided to experiment with these settings to understand how it would impact the results for The Heritage Foundation’s “Religious Freedom eBook” offer.
Research Question
Will the “Donate” optimization setting increase results for acquiring new emails and/or donors?
Design
C: Religious Freedom Booklet - Acquisition | Purchase
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) ) )
Results
This experiment has a required sample size of
19,593 in order to be valid. Since the experiment had a total sample size of
81,105, 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
× 90.6% decrease in conversion rate
× 0% increase in average gift
Key Learnings
With a 97.9% level of confidence, the “Donate” optimization setting decreased donor conversion rate by -90.6%.
Making matters worse, this setting also decreased email registration rates by -65%, as well (with a 100% level of confidence).
Further experimentation may be required with other offers, but when it comes to introducing the “Donate” optimization method against an already running “Purchase” optimization setting, it would appear that results negatively compound to significantly impact performance for the existing campaign.