A change is finished when it can be checked#

SLOP2875 · Week 12

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Eleven weeks learning to distrust a number#

This week you commit to one.

The claim#

A balance change is finished when someone else can check it.

“It feels better now” is where this course started.

It is not allowed at the end.

A defence, in seven parts#

One constant. Its old value and its new one.

Then seven things, in order, a minute or less each.

1 · The prediction#

Made before measuring. With its number and unit.

2 · The instrument#

Which simulated players. What reaction times. 51 runs on fixed seeds, the same ones before and after.

3 · The result#

A distribution, not a single figure.

Wins out of 51 and median survival, before and after.

4 · What you took away#

Restricted play: the change did not quietly kill an option.

5 · Who tried to break it#

The lazy strategies from week eight, run again against the new value.

6 · Where the instrument could be lying#

The ceiling, floor or cap nearest your metric, and why you are clear of it.

7 · What you felt#

when you played the changed game.

And whether it agrees.