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Wendy A F G Stengel

The Mystical Power of Descriptive Statistics

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Does your analysis seem a bit lightweight at first glance? Do other UXers' charts and graphs kick sand in your deliverable's face?Don't be afraid of numbers! You— yes, you!— can quantify anything!You'll learn how to start getting real numbers out of your qualitative research, and get over the fear that you can't "do the science stuff". Plenty of rapid-fire real-world examples, including:- Content audits!- Web analytics!- Bargain wines!- Gendered social interaction in science fiction television shows!...no, really!

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Page 1: The Mystical Power of Descriptive Statistics

Wendy A F G Stengel

Page 2: The Mystical Power of Descriptive Statistics

Don’t Fear the

Lingo

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Descriptive statistics are DATA

about DATA

We know all about that

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Page 5: The Mystical Power of Descriptive Statistics

Nominal Variables are

CATEGORICAL

We’re all about Categories

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Ordinal Variables

have RANKS

We’re experts at Ranking

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Page 9: The Mystical Power of Descriptive Statistics

Interval Variables

have

MEANINGFUL DISTANCES

They’re Numbers, folks

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Don’t Fear the

NUMBERS

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Where you see PATTERNS,

You are seeing NUMBERS

Medusa Fractal © flickr.com/people/zerg_attack

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You can

QUANTIFY ANYTHING

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TNG “All Good Things” © Paramount Pictures

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You are already doing

The HARD WORK

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Completely Legitimate!

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You can

DO THE SCIENCE

STUFF

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Rejecting the Null Hypothesis:

Assume two variables are NOT

related, and test to see if

that is true

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Treat Your

Ordinal Scale Data as

Interval Scale Data

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Perfectly Valid!

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Be Thoughtful

Be Sensible

Seek Truth

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This will

HELP your PRACTICE

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Reassure your Clients

&

Boost your Confidence

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You have Nothing

to Fear

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Read “How to Think about

Statistics”

Write me with questions:

[email protected]

Twitter @wendywoowho