Something which came out of the seminar at Brunel earlier this week (thanks to everyone who came along) was the idea that any method of selecting ways to design products that aim to shape or guide users’ behaviour really must incorporate some evaluation of users’ […]
All posts filed under “Techniques of persuasion”

Best bitter
Bitrex, the world’s most bitter substance, is what’s known as a taste aversive – added to products which might seem tasty to humans (especially children) to persuade them not to drink them, or to spit out what they’ve already drunk. It’s a similar idea to […]

Ann Thorpe: Can artefacts be activists?
Ann Thorpe, author of the intriguing-sounding Designer’s Atlas of Sustainability – is pursuing an interesting investigation into design activism: Some of the basic issues around design activism include: # isn’t all design activism? # how much design should be activist — aren’t designers supposed to […]

Seminar, 27th May
I’ll be giving a brief seminar at Brunel on Tuesday 27th May, in advance of presenting at Persuasive 2008 – it’s a bit of a practice/rehearsal, to be honest…

Design-Behaviour website launched
Loughborough’s Dr Debra Lilley, who has done extensive research into designing for behavioural change, has just launched an excellent new website, Design-Behaviour, which brings together her research findings and some great examples of behaviour-changing products from different fields to illustrate the approaches identified. The site […]

Chute the messenger
This is a communal rubbish chute serving a block of flats. The cross-sectional area of the aperture revealed by opening the hatch should be smaller than the cross-sectional area of the chute itself, so there’s less chance of rubbish bags getting stuck, even when someone […]

Towards a Design with Intent ‘Method’ – v.0.1
As mentioned a while back, I’ve been trying to find a way to classify the numerous ‘Design with Intent’ and architectures of control examples that have been examined on this site, and suggested by readers. Since that post, my approach has shifted slightly to look […]

A lengthy debate
Norwich City Council is introducing a system of parking permit charges determined by the length of the vehicle: The move away from flat-fee permits will penalise drivers who own vehicles more than 4.45 metres (14½ft) in length, such as the Vauxhall Vectra. Brian Morrey, vice-chairman […]

Full, tilt
Jan Hoekstra’s Balancing Bowls for Royal VKB (via Boing Boing) are an interesting ‘portion control/guidance’ solution – as Cory Doctorow puts it: The tilt is tiny, all of 3 degrees, and the net effect is very satisfying — you gradually add snacks to the “light” […]

Do you really need to print that?
This is not difficult to do, once you know how. Of course, it’s not terribly useful, since a) most people don’t read the display on a printer unless an error occurs, or b) you’re only likely to see it once you’ve already sent something to […]

Slanty design
The Main Reading Room, Library of Congress. Image from CIRLA. In this article from Communications of the ACM from January 2007, Russell Beale uses the term slanty design to describe “design that purposely reduces aspects of functionality or usability”: It originated from an apocryphal story […]

Review: Architecture as Crime Control by Neal Katyal
Review: Katyal, N. K. “Architecture as Crime Control”, Yale Law Journal, March 2002, Vol 111, Issue 5. Professor Neal Kumar Katyal of Georgetown University Law School, best-known for being (successful) lead counsel in the Hamdan v. Rumsfeld case dealing with Guantanamo Bay detainees, has also […]

Persuasion & control round-up
New Scientist: Recruiting Smell for the Hard Sell Samsung’s coercive atmospherics strategy involves the smell of honeydew melon: THE AIR in Samsung’s flagship electronics store on the upper west side of Manhattan smells like honeydew melon. It is barely perceptible but, together with the soft, […]

Water on the membrane
The Cranfield/Electrolux Smart Sink – photo from Trespassers by Ed van Hinte and Conny Bakker. Ten years ago, teams from Cranfield University and Electrolux Industrial Design collaborated on an ‘eco-kitchen’, a family of related concepts for a kitchen of the future. Part of the intention […]

Mentor Teaching Machines: The ‘Choose Your Own Adventure’ Textbooks
An Introduction to SI Metric and Applications of SI Metric, published by Mentor Textbook Teaching Machines of London, 1971. Back in January, in a post looking at the use of forcing functions in education, I mentioned a type of textbook I remembered having somewhere which […]

Detailing and retailing
The dazzle painting of HMS Furious, c. 1918. Image from A Gallery of Dazzle-Painted Ships A couple of weeks ago we looked at casino carpet design – a field where busy, garish graphic design is deliberately employed to repel viewers, and direct their attention somewhere […]