) • They are usually triggered by an isolated characteristic; • Efficient and economic shortcut - Advantage; • Vulnerable to foolish and costly mistakes - Disadvantage; • Example: "If its expensive, its good".
culture; • In general it's good for society and economy; • Applies even on unrequested favors; • Its capable of generating uneven exchanges – to get rid of the feeling of debt; • Example: Peanut salesmen in Rio.
as well as in appearances; • After taking a stand about something, people get more susceptible to agree with requests compatible with that position; • Example: Traffic accidents campaign; • It's common to add reasons to justify commitments already made; • Example: Prisoner camps in the communist China during the Korean war.
what they do is an important tool to decide what to believe in and how to behave. • Social proof is stronger under two circumstances ◦ Uncertainty ▪ Example: Decision to help a passersby; ◦ Similarity ▪ Example: Suicide statistics.
are less available; • When something becomes scarce we lose freedom; • Things that become scarce are valued more than the ones which have always been scarce; • Competition for scarce resources enhance their attractiveness; • Examples: Used cars sales; Auctions.
shortcuts when taking decisions to consent, agree, believe or buy. Where the decision we make is usually based on one single information (usually reliable); • The information overload to which we are sposed in today's society is bound to increase the cases where we use shortcuts to take decisions.