Reverse Ranking for Decision Making

October 22nd, 2007

Often when making a decision we focus on ranking our options and then choosing the best one as in pareto analysis. We start at the top and proceed to the next best option and so on.

Sometimes it is better to start at the bottom.

Why is this helpful?

We tend to consider options in two stages. In the first we eliminate options that are deal-breakers. These are options with factors that disqualify them even if their positive aspects are great. It might be a great job located in a city you hate, or a great car with an automatic transmission when you only drive manual.

In the second stage we look at the remaining options and roughly weigh their positive and negative aspects, but tending to focus more strongly on the positives.

It works well if there are only one or two options that are easily discernible as the best choice, but if several options could be great or are roughly equal, we can have a really hard time with this second stage.

By ranking options from worst to best, we are forced to explicitly consider the negative factors, which can help bring to light issues with some of the options which we previously thought were all equal.

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2 Responses to “Reverse Ranking for Decision Making”

  1. isabella mori Says:

    that’s a great idea - and like many great ideas so very obvious - i just haven’t thought of it.

    i never regret coming to this blog :)

  2. zot Says:

    Thanks Isabella. I’m still working on those classes I swear ;).

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