metrics. driven. design. (developer conference hamburg 2012)

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Did you ever work on a feature where you had multiple options on how to display it to the user but you did not know which one would work best? Why speculate about what would work best if you can actually measure it? Welcome to the world of a/b testing: Implement multiple variations of the same thing, and let different users experience different variations. Measure which variant works best and continue with that one. At Wooga we extensively use a/b testing to polish features to perfection. This helped us becoming one of the biggest providers of social games on Facebook with about 40 million players every month. We would like to show you what a/b testing is good for, how you do it and what pitfalls you need to avoid.

TRANSCRIPT

Metrics Driven Design.

@chiefofspace

@jrirei

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DAU Monster World

>> Retention

>> Virality

>> Monetization

Retention

Retention

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

66%

50%

48%

Step - 7

Step - 8

46%

44%

Tutorial Steps

Virality

Virality

Monetization

~ 2 %

~ 10 % ~ 3 %

~ 12 %

h/ps://mw.t.wooga.com/k/pgr/?  i=0&  language=de_DE&  s=100000107880707&  ts=1347085569&  w_friends=238  

Tracking  Service  

KaNa  

DBs  

…  

>> Day 1 Retention

Day 1 Retention

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

66%

50%

48%

Step - 7

Step - 8

46%

44%

Tutorial Steps

Tutorial Steps

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

66%

50%

48%

Step - 7

Step - 8

46%

44%

Is it for me?

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

66%

50%

48%

Step - 7

Step - 8

46%

44%

Do I get it?

Tutorial Steps

Do I get it?

Do I get it?

On initial design solutions

Tutorial Steps

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

48%

50%

Step - 7

Step - 8

46%

44%

Further, even further

66%

0% 10% 20% 30% 40% 50% 60%

Reached lvl 3

Reached lvl 4

1 day ret

3 day ret

7 day ret

3 min 5 min

Growth Time

Beautification

Beautification

73,2 % 73,0 %

Plateau

Tutorial Steps

New Users last 24 hours 20.000

Step 1 - Loading begins

Step 2 - Loading complete

Step - 3

Step - 4

Step - 5

Step - 6

Level 2 reached

100%

85%

70%

68%

66%

50%

48%

Step - 7

Step - 8

50%

48%

What's next?

>> Day to Day Retention

0

50.000

100.000

150.000

200.000

250.000

'201

0-09

-13'

'2

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09-1

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-23'

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09-2

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0-09

-25'

'2

010-

09-2

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0-09

-27'

'2

010-

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8'

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0-09

-29'

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010-

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010-

10-0

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010-

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0-10

-05'

'2

010-

10-0

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'201

0-10

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'2

010-

10-0

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'201

0-10

-09'

'2

010-

10-1

0'

'201

0-10

-11'

'2

010-

10-1

2'

'201

0-10

-13'

'2

010-

10-1

4'

'201

0-10

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'2

010-

10-1

6'

'201

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-17'

'2

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10-1

8'

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0-10

-19'

'2

010-

10-2

0'

Launch                

2nd  Toy                

Post responses

>> Understanding User Behaviour

0

5.000

10.000

15.000

20.000

25.000

30.000 8/

30/2

011

9/6/

2011

9/

13/2

011

9/20

/201

1 9/

27/2

011

10/4

/201

1 10

/11/

2011

10

/18/

2011

10

/25/

2011

11

/1/2

011

11/8

/201

1 11

/15/

2011

11

/22/

2011

12

/28/

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1/

4/20

12

1/11

/201

2 1/

18/2

012

1/25

/201

2 2/

1/20

12

2/8/

2012

2/

15/2

012

2/22

/201

2 2/

29/2

012

3/7/

2012

3/

14/2

012

3/21

/201

2 3/

28/2

012

4/4/

2012

4/

11/2

012

4/18

/201

2

Users without missions

>> Next try

Mr. Beazzy

>> + Engaged

>> + Engaged >> + $

>> Virality

>> Monetization

Old

New

Magic Wand Shop

Old

New

+ 24 %

Magic Wand Shop

Magic Wand Shop

Magic Wand Shop

+ 23 %

Magic Wand Shop

Remember the user

Match user to test group

Match user to test group

Feature switch

Wait for data to become relevant

Compare results

0% 10% 20% 30% 40% 50% 60%

Reached lvl 3

Reached lvl 4

1 day ret

3 day ret

7 day ret

3 min 5 min

Compare results

Side Effects

Side Effects

>> Endless Love

Meet the bad guy: Robert the robot

Meet his new date: Roberta the robot

Stephanie Kaiser

stephanie.kaiser@wooga.net

@chiefofspace

Jesper Richter-Reichhelm

jesper.richter-reichhelm@wooga.net

@jrirei

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