DMFA: Direct Marketing Fundraisers Association


	Tips \| Tip of the Month Contest

Tip of the Month

Use a Double Control Periodically When Testing

August, 2000

All direct marketers love to test new creative. Sometimes, however, results are so close that it is hard to determine if success is really statistically significant or simply fortuitous. Testing a double control periodically can provide a good reality check. Include two separate control cells containing the identical content. It is interesting to see the variance in the performance of two identical packages sent to randomly selected donors or prospects.

Past Tips

May, 2006	Data Management and Hygiene Tips
November, 2005	Top 10 Common Mistakes in Acquisition
July, 2003	Summer tests
June, 2003	Take advantage of those slow summer months!
May, 2003	Are You Violating Your Online Privacy Policy?
April, 2003	The Little Message: penny-wise and pound-foolish
March, 2003	Newsletter as Fundraising Tool
February, 2003	Member vs. Donor
January, 2003	Live stamps vs. indicia
May, 2002	Ask for Free Lists
April, 2002	Should You Suppress Deceased Donors From Your Database?
March, 2002	Three Proven Strategies to Reach Lapsed Donors
February, 2002	Postal Sorting Tip
January, 2002	Piggyback Your Test Package Onto A Larger Run of Someone Else's Roll Out
November, 2001	Identify yourself on the outer envelope
November, 2001	Add a lift note to your year-end appeal
May, 2001	Promote Planned Giving at Tax Time
April, 2001	Convert your annual report into a brochure
March, 2001	Welcome Package
February, 2001	Tips for Reinstating Lapsed Donors
January, 2001	Look at your package with fresh eyes
December, 2000	Successful Online Holiday Appeal
November, 2000	Undeliverable? NOT!
October, 2000	Learn Before You Leap
September, 2000	Select Nth Names for Prospect Creative Tests
August, 2000	Use a Double Control Periodically When Testing
	Utilize those summer months!

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