Worked examples / Hiring: how many steps, and which ones

A general aptitude test

A 90-minute general test for 120 candidates a month. On these figures it screens out capable and less suitable candidates at a similar rate. Compare it with the work-sample test beside it: the same time and the same candidates, a different test.

It costs more than it gets back

It costs $20,520 a month and gets back $4,998: $15,522 a month worse off.

It costs$20,520a month

It gets back$4,998what it stops, and any fee

Of the 38.1 candidates it screens out each month, 23.4 are candidates who could do the job: 61.4% of everyone screened out.
Still getting through: 27.3 of the 42 candidates who could not.
It costs the people going through it 180 hours a month, 57.2 of them from people who do not get through.

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This is a worked example with illustrative figures, not data about any real person or company. Change any of them in the calculator and the answer changes with them.

How this answer was worked out

Step 1

costs $20,520, gets back $4,998: -$15,522

Every formula is written out on the formulas page.

What the calculator asks you

How many steps, and how many people arrive
What each wanted person is worth, and the share each step turns away
The share it is meant to stop, what each costs, and the share each step stops
What a step costs the people going through it
Any fee paid by those who get through

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How this answer was worked out

What the calculator asks you

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