The sensationalisation of A/B Testing & Why it doesn't work for you - Measurefest October 2014 talk

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Slidedeck for my talk about why reading blogs and case studies on CRO and A/B testing are doing more harm than good. You also learn how to use a framework to do optimisation the right way

Transcript of The sensationalisation of A/B Testing & Why it doesn't work for you - Measurefest October 2014 talk

The Sensationalisation of A/B TestingAnd why it doesn’t work for you

#MEASUREFEST

8th October 2014

Manuel da Costa

@digital_tonic

DIGITAL TONIC

We have a problem with A/B testing

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Let’s see how good you are at A/B testing

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CONTROL

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VARIATION

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VARIATION

25% increase in conversions

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Clickthroughs 606% and Purchases 11%

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What we don’t see

What was the sample size?

How long did they run the test for?

Significance of results?

What was the target segment for the test?

Did they re-test ?

THROWINGcrap against the wall hoping it sticks

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AB/ TESTING

You need aFramework

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Observe

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Start here

Your customers

Identify the leaks in your funnel

Get customer insights

Brainstorm

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We believe that changing X for Y customers will result in ZX = variables you want to test

Y= target segment you want to run the test on Z = the outcome i.e. change conversions or user behaviour

Prioritise your test ideas

Ease of testingImpact on bottom line

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AB/ TESTING

Select your sample size

Set your test duration

QA your test

Integrate with analytics

Don’t stop your test too early

Review & Iterate

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Segment your data!!!

Statistical significance http://abtestguide.com/calc/

Re-test

What did you learn?

A B/ Testing

ObserveYour customers

BrainstormReview & Iterate

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Need inspiration for your A/B Testing?

LOOK AT YOUR DATA

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http://bit.ly/digitaltonicmeasurefest

Interested in more Conversion Optimisation stuff?Get the slides, resources and more

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Follow me on twitter : @digital_tonic Drop me a line : manuel@digital-tonic.co.uk