Category Archives: Interactive calculators

Decision analysis of friending versus dating

3 min read Online matching platforms are best conceptualized as friend-finders rather than date-finders.  Given how difficult it is to …

Posted in <5 min read, Decision quality, Interactive calculators, Sex and relationships, [All posts]

Fertility probability and age

4 min read Men and women alike often have an astonishing misapprehension of fertility probability.   Part of the problem …

Posted in <5 min read, Decision quality, Interactive calculators, Sex and relationships, Social issues, [All posts]

How representative is your group?: Statistical identification of selection bias

How representative of the US population is your group:  your friends?  your employees or work colleagues?  your classmates?  your dating …

Posted in 5-10 min read, Interactive calculators, Social issues, [All posts]

Game theory of hookups

11 min read Women and men have, on average, equal desire for sex. However, society makes it rationally necessary for …

Posted in >10 min read, Decision quality, Interactive calculators, Sex and relationships, Social issues, [All posts]

Lighting adequacy calculator

“How many light fixtures will I need for this room, to ensure sufficient lighting?” Interior designers notoriously ignore this question. …

Posted in <5 min read, Design and aesthetics, Interactive calculators, [All posts]

Ventilation adequacy in residential kitchens

Vent hoods are often an afterthought in kitchen renovation projects — the last appliance selected by homeowners.   However, vent hoods …

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Appointment frequency calculator

Managing weekday appointments at work can be challenging. Most types of service providers don’t offer weekend or evening appointments. And, …

Posted in Business topics, Interactive calculators, Social issues, [All posts]

Fabric yardage for custom lampshades

Custom lampshade makers typically require designers to provide substantially more fabric yardage than is actually necessary.  This is result of …

Posted in Design and aesthetics, Interactive calculators, [All posts]