Reactance

Reactance is the psychological term defining the human tendency of reacting negatively towards situations perceived to be limiting personal freedom of choice. Wikipedia defines it as such: Reactance is a motivational reaction to offers, persons, rules, or regulations that threaten or eliminate specific behavioral freedoms. Reactance occurs when a person [...]

Reactance 2016-05-05T16:38:12+11:00

Halo Effect (tendency)

The Halo Effect is the academic (and not really intuitive) name for the human tendencies to use the characteristic of someone or something in one domain to infer positive or negative attributes in other, unrelated domains. It's widely used to associate brands or products with positive aspects, like the color [...]

Halo Effect (tendency) 2016-05-04T13:20:26+11:00

Disjunction effects: immediate decisions prevented by an uncertain, but irrelevant, future event

There is a very powerful and widespread tendency that will cause you to delay decisions you could and should make immediately. It’s called the disjunction effect and is one of my favorite bias to look for when analyzing decision-making processes. What is a “disjunction effect”? It occurs when you need [...]

Disjunction effects: immediate decisions prevented by an uncertain, but irrelevant, future event 2015-09-24T15:42:23+11:00

The peak-end rule for rating past experiences

Definition When people remember their feelings from a past experience (pain for a medical procedure, frustration when shopping online, etc.), they do so by: remembering their experience at the peak, that is at the most intense point of their experience remembering their experience at the end neglecting to take into account [...]

The peak-end rule for rating past experiences 2015-09-08T14:45:28+11:00

Ranking of choice options influences decisions

When people are presented with a list of any kind, the order used to present the options will influence their choice. It might seem obvious but not many choice architects are checking this point systematically. This tendency can be used to shape a user's choice, so it's the basis for [...]

Ranking of choice options influences decisions 2015-09-05T16:18:07+11:00

A/A illusion (or A/B illusion)

Michelle Meyer and Christopher Chabris coined, to my knowledge, the term "A/B illusion" to designate: Our contrary tendency to see experiments—but not untested innovations foisted on us by powerful people—as involving risk, uncertainty, and power asymmetries [...]. — source They summarized their view in a NYT op-ed and Michelle Meyer expands on [...]

A/A illusion (or A/B illusion) 2015-07-10T18:00:35+11:00

Moral licensing (or self-licensing)

Moral licensing or self moral licensing is a cognitive tendency that leads people to behave unethically without feeling guilt for doing so, if they have done enough ethical action prior to this unethical behavior. A good overview of this effect is provided by Merritt et al[1. Merritt, A. C., Effron, D. [...]

Moral licensing (or self-licensing) 2015-07-03T11:18:29+11:00

Conflict of interest disclosure leads to more biased advice

In a study by George Loewenstein et al[1. Loewenstein, G., Sah, S., & Cain, D. M. (2012). The Unintended Consequences of Conflict of Interest Disclosure. Jama, 307(7), 669–670. doi:10.1001/jama.2012.154 (link)], they found that when advisors were providing disclosure of conflict of interest, they allowed themselves to give more biased advice to [...]

Conflict of interest disclosure leads to more biased advice 2015-07-03T10:55:48+11:00

Myopic Loss Aversion

Last updated on: September 8, 2015. Definition Combination of loss aversion and frequent evaluations of risky returns: pleasure felt after observing a gain is inferior to the pain experienced after a loss of an equivalent amount losses are experienced more frequently at narrow time scales More frequent evaluations lead to increased [...]

Myopic Loss Aversion 2015-06-16T06:06:22+11:00