Thursday, March 02, 2017

The psychology of persuasion - Robert B Cialdini Book Review

S Benjamin recommended one book by Robert B Caildini and said that a lots of local politician are using this as an entry material to make people listen, comply and persuade people to do things their way. Be it if you use in ethically as a social calling or as a tool to manipulate, choice it up to you. But a lot of salesman had benefited from the simple 6 rules of persuading people to buy and it was highly recommended to read. So the condense 6 points of influence are as such:

6 Principles of Influence

Principle #1: Reciprocation

Reciprocation recognizes that people feel indebted to those who do something for them or give
them a gift.
For marketers, Cialdini says: “The implication is you have to go first. Give something: give
information, give free samples, give a positive experience to people and they will want to give
you something in return.”
o Experiment conducted
Social scientist Randy Garner published a 2005 experiment that tested whether sticky notes
could persuade people to respond to a marketing survey (see hotlinks below). He sent one-third
of the surveys with a hand-written sticky note requesting completion, one-third with a blank
sticky note, and one-third without a sticky note.
- Hand-written note: 69% response rate
- Blank sticky note: 43% response rate
- No sticky note: 34% response rate
“[The principle of reciprocation] was born out in the fact that not only did those who received
the hand-written note have twice as much compliance, the quality of the answers they gave was
significantly better,” Cialdini says.
o Application for Marketers
The reciprocation principle explains why free samples can be so effective. People who receive a
free, unexpected gift are more likely to listen to a product’s features, donate to a cause, or tip a
waitress more money. The gifts do not have to be expensive or even material; information and
favors can work.

Principle #2: Social Proof

When people are uncertain about a course of action, they tend to look to those around them to
guide their decisions and actions. They especially want to know what everyone else is doing –
especially their peers.
“Laugh tracks on comedy shows exist for this very reason,” Cialdini says.
o Experiment conducted
Cialdini and a team of colleagues ran a soon-to-be published experiment to see which types of
signs would most encourage Arizona hotel visitors to reuse towels. They tested four types of
- #1 Cited environmental reasons to encourage visitors to reuse their towels
- #2 Said the hotel would donate a portion of end-of-year laundry savings to an environmental
- #3 Said the hotel had already given a donation and asked: “Will you please join us?”
- #4 Said the majority of guests reused their towels at least once during their stay
Percentage of those who reused towels per request:
- Sign #1: 38%
- Sign #2: 36%
- Sign #3: 46%
- Sign #4: 48%
When guests found out that most people who stayed in the same hotel reused their towels, they
were more likely to comply with the request.
“What’s most interesting to me,” Cialdini says, “is that the most effective strategy was entirely
costless to the hotel. But I’ve never seen it used by any hotel room in any city.”
o Application for marketers
Testimonials from satisfied customers show your target audience that people who are similar to
them have enjoyed your product or service. They’ll be more likely to become customers
A similar principle applies to television commercials that say: “If our lines are busy, please call
again.” Instead of saying “Operators are standing by.” The first response implies that other
people like your offer so much that the phone lines are busy, which may persuade others to act

Principle #3: Commitment and Consistency

People do not like to back out of deals. We’re more likely to do something after we’ve agreed to
it verbally or in writing, Cialdini says. People strive for consistency in their commitments. They
also prefer to follow pre-existing attitudes, values and actions.
o Experiment conducted
In 1987, social scientist Anthony Greenwald approached potential voters on election-day eve to
ask whether they would vote and to provide reasons why or why not. 100% said they would vote.
On election day, 86.7% of those asked went to the polls compared to 61.5% of those who were
not asked. Those who publicly committed to voting on the previous day proved more likely to
actually vote.
o Application for marketers
People want to be both consistent and true to their word. Getting customers or co-workers to
publicly commit to something makes them more likely to follow through with an action or a
Ask your team members if they’ll support your next initiative and say why.
Getting people to answer ‘yes’ makes them more powerfully committed to an action, Cialdini
says. For instance, don’t tell people: “Please call if you have to cancel.” Asking “Will you please
call if you have to cancel?” gets customers to say yes, and measurably increases their response
o Note: Age matters
The older we get, the more we value consistency. And that makes it harder for older people to
make a change.
Researcher Stephanie Brown co-authored a 2005 study titled “Evidence of a positive relationship
between age and preference for consistency,” published in the Journal of Research in
Personality. The study confirmed the belief that older people become “set in their ways.”
The solution? Praise them for making good past decisions, based on the information they had at
the time. Then find ways to stress the consistent values connecting old actions and purchases
with values underlying any new actions or purchases.

Principle #4: Liking

“People prefer to say ‘yes’ to those they know and like,” Cialdini says. People are also more
likely to favor those who are physically attractive, similar to themselves, or who give them
compliments. Even something as ‘random’ as having the same name as your prospects can
increase your chances of making a sale.
o Experiment conducted
In 2005, Randy Garner mailed out surveys to strangers with a request to return them. The request
was signed by a person whose name was either similar or dissimilar to the recipient’s. For
example, Robert James might receive a survey request from the similarly-named Bob Ames.
(See hotlinks below.)
According to a study reported in Yes!, “Those who received the survey from someone with a
similar-sounding name were nearly twice as likely to fill out and return the packet as those who
received the surveys from dissimilar sounding names (56% compared to 30%).”
o Application for marketers
“One of the things that marketers can do is honestly report on the extent to which the product or
service – or the people who are providing the product or service – are similar to the audience and
know the audience’s challenges, preferences and so on,” Cialdini says.
So , for instance, sales people could improve their chances of making a sale by becoming more
knowledgeable about their prospects’ existing preferences.

Principle #5: Authority

People respect authority. They want to follow the lead of real experts. Business titles, impressive
clothing, and even driving an expensive, high-performing automobile are proven factors in
lending credibility to any individual.
Giving the appearance of authority actually increases the likelihood that others will comply with
requests – even if their authority is illegitimate.
o Experiment conducted
Stanley Milgram, Psychologist, Yale University, conducted a 1974 experiment where ordinary
people were asked to shock ‘victims’ when they answered questions incorrectly. Those in charge
were dressed in white lab coats to give the appearance of high authority. The participants were
told that the shocks they gave increased 15 volts in intensity each time the person answered
incorrectly. In fact, the shocks were completely imaginary. Respondents were acting.
As participants continued to shock their victims, the respondents feigned increasing discomfort
until they let out agonized screams and demanded to be released. Astoundingly, about two-thirds
of participants ignored these cries of pain and inflicted the full dose of 450 volts.
“According to Milgram, the real culprit in the experiments was the [participants’] inability to
defy the wishes of the boss, the lab-coated researcher who urged and, if necessary, directed them
to perform their duties, despite the emotional and physical mayhem they were causing.”
o Note: The participants in Milgram’s study were males from a range of age, occupation and
education levels. Later research concluded that the subjects’ sex was irrelevant to their
willingness to shock the victim.
o Application for marketers
When people are uncertain, they look outside themselves for information to guide their
decisions. Given the incredible influence of authority figures, it would be wise to incorporate
testimonials from legitimate, recognized authorities to help persuade prospects to respond or
make purchases.

Principle #6: Scarcity

In fundamental economic theory, scarcity relates to supply and demand. Basically, the less there
is of something, the more valuable it is. The more rare and uncommon a thing, the more people
want it. Familiar examples are frenzies over the latest holiday toy or urban campers waiting
overnight to pounce on the latest iPhone.
o Experiment conducted
In 1985, the Coca-Cola Company made their infamous switch from their traditional formula to
the sweeter formula “New Coke.” Their taste tests indicated that 55% preferred the new Coke
over the old. Most of those tests were blind, but some participants were told which formula was
new and which was the original. Under those conditions, the preference for new Coke increased
Despite the taste tests, the switch to new Coke triggered incredible backlash against it. Time
magazine later dubbed it “the marketing fiasco of the decade.”
“The company must have looked at the 6% difference between blind and non-blind preferences
and said to themselves ‘Oh, good, this means that when people know that they’re getting
something new, their desire for it will shoot up.’”
“In fact, what that 6% really meant was that when people know what it is they can’t have, their
desire for it will shoot up. Later, when the company replaced the traditional recipe with the new
one, it was the old Coke that people couldn’t have, and it became the favorite.”
o Application for marketers
Say the authors: “The tendency to be more sensitive to possible losses than to possible gains is
one of the best-supported findings in social science.”
Therefore, it may be worthwhile to switch your advertising campaign’s message from your
product’s benefits to emphasizing the potential for a wasted opportunity:
- “Don’t miss this chance…”
- “Here’s what you’ll miss out on…”
In any case, if your product or service is genuinely unique, be sure to emphasize its unique
qualities to increase the perception of its scarcity.

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