Small Controlled Experiments

Slide 1

Slide 1 text

small controlled experiments @mathiasverraes

Slide 2

Slide 2 text

small uncontrolled experiments @mathiasverraes

Slide 3

Slide 3 text

Mathias Verraes Independent Consultant Value Object Comm.V Student of Systems Meddler of Models Labourer of Legacy verraes.net

Slide 4

Slide 4 text

Fitness landscape

Slide 5

Slide 5 text

No content

Slide 6

Slide 6 text

Continuous Improvement

Slide 7

Slide 7 text

"When changing teams or organizations, the trick is not to try and push them out of their current behavior. (...) A better idea is to change parameters in the environment so that their current situation becomes unstable and disappears all by itself." 4 Jurgen Appelo6 6 Management 3.0: Leading Agile Developers, Developing Agile Leaders

Slide 8

Slide 8 text

No content

Slide 9

Slide 9 text

Heavyweight

Slide 10

Slide 10 text

Retrospectives are too slow

Slide 11

Slide 11 text

Unproductive pressure to improve

Slide 12

Slide 12 text

No content

Slide 13

Slide 13 text

Daily Two minutes, after standup

Slide 14

Slide 14 text

Brainstorm rules "Yes, and... " Divergence Convergence7 7 "Thinking in New Boxes", Alan Iny & Luc de Brabandere

Slide 15

Slide 15 text

Avoid upfront consensus "A meeting is where ideas go to die" Experiments over opinions

Slide 16

Slide 16 text

"If we have data, let's look at data. If all we have are opinions, let's go with mine." 4 Jim Barksdale

Slide 17

Slide 17 text

Avoid upfront expectations Expectations determine outcomes

Slide 18

Slide 18 text

Low impact Small, cheap, reversible, low-risk

Slide 19

Slide 19 text

No backlog Backlogs kill motivation

Slide 20

Slide 20 text

Timeline Stickies

Slide 21

Slide 21 text

Guarantee veto Everybody must be heard

Slide 22

Slide 22 text

Measure selectively & intentionally Avoid optimising for the metrics

Slide 23

Slide 23 text

Accept uncertainty Non-scientific Exposes invisible problems

Slide 24

Slide 24 text

Accept gut feeling Emotional response is fine

Slide 25

Slide 25 text

Accept failed experiments Welcome failures as new data points

Slide 26

Slide 26 text

Kaizen Mind The urgency to improve

Slide 27

Slide 27 text

Climate of Doubt Assume everything is broken and fixable

Slide 28

Slide 28 text

"If an idea is obviously bad, find a quick way to test it, because if it's not bad, then it's really interesting." 4 Kent Beck

Slide 29

Slide 29 text

Experiment Deliver one story a day

Slide 30

Slide 30 text

Experiment Atomically scoped stories

Slide 31

Slide 31 text

Experiment Start every story in pair

Slide 32

Slide 32 text

Experiment Testers deploy independently

Slide 33

Slide 33 text

Experiment Core Protocols

Slide 34

Slide 34 text

Experiment Syncing physical boards

Slide 35

Slide 35 text

If it's not on a wall or a board, it's not visual.

Slide 36

Slide 36 text

Experiment Measure by hand

Slide 37

Slide 37 text

Experiment Hide the estimate from the board

Slide 38

Slide 38 text

Experiment No more sprint deadlines

Slide 39

Slide 39 text

Experiment No interrupts after lunch

Slide 40

Slide 40 text

Experiment Vizualize cost of interrupts

Slide 41

Slide 41 text

Experiment Wall of Technical Debt8 8 http://verraes.net/2013/07/managed-technical-debt/

Slide 42

Slide 42 text

No content

Slide 43

Slide 43 text

Use experiments to detect problems

Slide 44

Slide 44 text

No content

Slide 45

Slide 45 text

@mathiasverraes http://verraes.net/2014/03/small-controlled-experiments/ http://verraes.net/workshops