Artifact

Confidence Compass

The arrow points to the range of likely truth.

4.7(187)
7Moon Tokens

A point estimate is a lie of precision. The Confidence Compass shows the band: '+3.2% lift with a 95% CI of -0.5% to +6.9%' is a very different story than '+3.2%'.

1
DifficultyIntermediate
CategoryArtifact
Reviews187

A point estimate is a lie of precision. The Confidence Compass shows the band: '+3.2% lift with a 95% CI of -0.5% to +6.9%' is a very different story than '+3.2%'.

Report intervals, not bare numbers. Stakeholders learn faster, fight less.

What other witches say

5.0

Worked on the first cast

Followed the instructions exactly and saw a clear lift within a week. The instructions are practical, not vague.

Morgana W., 2 weeks ago

4.0

Solid, with caveats

Great for a beginner. I would have liked one more worked example, but the core idea is sound and immediately useful.

Theo K., 1 month ago

5.0

Now part of my standard kit

I reach for this on almost every test I scope. It pays for itself the first time you use it properly.

Priya S., 3 weeks ago

Often cast together