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Relative Estimation

in 5 minutes

Stijn Decneutstijn@ilean.be

@iLean_be

An estimation challenge

@iLean_be

How many?

in

@iLean_be

How many?

in

@iLean_be

How many?

in

@iLean_be

Tallest? Smallest?

@iLean_be

We are bad at absolute estimation

We are good at relative estimation

Dive into Anchors

@iLean_be

There’s a reason for this

@iLean_be

We need an ‘anchor’ to compare

@iLean_be

No anchor: unreliable estimation

Bad anchor: biased estimation

Back

@iLean_be

Of course I ignore irrelevant numbers

@iLean_be

Expert advice: value of this house?

I’d like 100k

I’d like 900k

@iLean_be

Which road did you take to work?

30 120

@iLean_be

Relative EstimationThis was ...

Stijn Decneutstijn@ilean.be

in 5 minutes