What Spotting a Sales Pitch Changes
Recognising a pitch changes what you say about the seller more reliably than what you feel or do. The research on persuasion knowledge shows where recognition works, where it leaves the pull in place, and what it takes to turn it into resistance.
Answer to the question
Why does a sales pitch stop working once you spot it?
Recognition lowers what people say about the seller, because they use what they know about persuasion once they infer an ulterior motive. It does not reliably remove the pull: in one set of studies a favourable implicit attitude to a flatterer persisted after the motive was obvious. Resistance is greatest when people see both the manipulative intent and their own vulnerability.
Key takeaways
- Margaret Campbell and Amna Kirmani found in 2000 that people use what they know about persuasion when a salesperson's motive is highly accessible, busy or not, and that busy people rated the salesperson as more sincere when it was less accessible.
- In Elaine Chan and Jaideep Sengupta's 2010 studies, an obvious ulterior motive lowered explicit evaluations of a flatterer while a favourable implicit attitude persisted, and the authors report it carried more influence.
- Wendy Wood's 2003 meta-analysis found that warnings of an influence appeal produced resistance on involving topics and agreement in advance on less involving ones.
- Brad Sagarin and colleagues found in 2002 that resistance training worked best when it showed both the persuader's manipulative intent and the person's own vulnerability.
“I hate to be invited to Tupperware parties,” a customer told Robert Cialdini. “I've got all the containers I need... But when a friend calls up, I feel like I have to go. And when I get there, I feel like I have to buy something.”
She could see the sales pitch coming and bought anyway. Cialdini's own comment, in Influence, is that such customers “appear to be fully aware of the liking and friendship pressures.” The common advice says that knowing protects you: see the tactic for what it is and it stops working. Marian Friestad and Peter Wright set out the idea behind that advice in the Journal of Consumer Research. People, they argued, hold a working knowledge of persuaders' goals and methods, and of how to handle them, and they use it when someone tries to move them.
The field calls it persuasion knowledge, and their account the persuasion knowledge model. It covers beliefs about the persuader's tactics, about how effective and how appropriate they are, and about the person's own goals in coping. What the model leaves open is when the knowledge gets used, and what using it buys.
When is a pitch recognised?
Margaret Campbell and Amna Kirmani tested when the knowledge gets used in 2000. People turned it on a salesperson when they inferred an ulterior motive, and two things governed the inference: how accessible the motive was, and how much attention the person had to spare. When the motive was highly accessible, people used their persuasion knowledge whether or not they were mentally busy. When it was less accessible, busy people used it less and rated the salesperson as more sincere than people with attention to spare did.
So recognition has two inputs: something has to point at the motive, and the listener has to have the attention to read it. A motive that stays hidden from a distracted listener produces no recognition, and nothing follows from it.
A rating of sincerity is a stated judgement, the kind a person gives when asked. That settles when a sales pitch is seen. It says little about what seeing does to the person who has seen it. What a small yes does to the next request is worked through in an article asking [whether the foot in the door still works](https://thewhyweproject.com/articles/does-the-foot-in-the-door-still-work).
Stated opinion and felt liking
Fourteen pages on from that customer, Cialdini describes an experiment on men in North Carolina, in which an evaluator who needed a favour was liked best when he offered only praise, "even when the men fully realized that the flatterer stood to gain from their liking of him."
The book describes the study without naming its researchers or giving a sample size. People see the tactic and still respond to it, but neither account is a test of why.
Elaine Chan and Jaideep Sengupta ran one in 2010, using the dual attitudes idea that a person can hold two evaluations of the same thing at once. When the ulterior motive was obvious, people discounted the compliments and their explicit evaluation of the flatterer fell. A favourable implicit attitude persisted alongside it. An explicit attitude is the one people state when asked; an implicit attitude is a quicker, gut-level association that they do not state. The authors report that the implicit attitude had more influential consequences than the explicit one.
A guest at the party can therefore say, truthfully, that she discounts the host's warmth, and still be moved by it. What she reports and what she feels towards the host are two attitudes, and a sales pitch can fail on the first while it works on the second.
What she reports and what she feels towards the host are two attitudes, and a sales pitch can fail on the first while it works on the second.
Warnings cut both ways
Wendy Wood and a co-author pooled two bodies of experiments in 2003, on what happens when people are told that an influence appeal is coming. In general, they found, warnings appeared to threaten people's attitudes or their self-images, and what a warning did depended on which of the two was threatened. When the topic was involving and concerned immediate outcomes, or when the appeal was actually delivered, recipients defended their views and resisted. Warnings of appeals on less involving topics did the opposite: people agreed before the appeal arrived. The authors presumed that the warning reminded them of the self-image threat of being gullible, and agreeing in advance reduced it.
A forewarning of a sales pitch can harden a person, then, or it can send them towards agreement, depending on how much the topic matters to them. Labels on sponsored articles are a warning of this kind. What they do to readers is taken up in Native Advertising and the Inversion and When Product Placement Actually Works.
What builds real resistance?
Cialdini's answer, in the chapter on reciprocation, is to accept offers for what they are, and to treat a pitch as a pitch once it shows itself. If a favour turns out to be "a device, a trick, an artifice", he writes, then "the rule says that favors are to be met with favors; it does not require that tricks be met with favors." The chapter supports the defence with two personal accounts rather than an experiment.
An experiment came in 2002, from Brad Sagarin, Cialdini and two colleagues, in three studies of resistance training. After the training, advertisements that used illegitimate appeals to authority were less persuasive, and advertisements with legitimate appeals were more persuasive. The resistance carried over to new examples and lasted. It worked best when the training established two things: that the persuader had manipulative intent, and that the person was personally open to being manipulated. Dispelling participants' belief that they were immune to persuasion, which the authors call the illusion of invulnerability, produced the greatest resistance. The belief that influence is something that happens to other people is the subject of The Decision You Think Is Yours.
Recognising the tactic is therefore half of a defence. The other half is accepting that you are the kind of person it works on. Cialdini makes a version of that point himself in the chapter on liking, advising special caution with requesters who claim to be "just like you", because "we typically underestimate the degree to which similarity affects our liking for another."
Read together, the studies point to three things: look for the motive while you have attention to spare, do not rely on a warning alone, and drop the belief that a sales pitch works only on other people. Each study was read through its abstract or a published summary, and no effect sizes are reported here. The advice is our reading of the studies, not a tested method, and none of them ran the case where the listener looks for the motive after the seller has admitted the cost.
The same book gives sellers the opposite advice. Admitting a drawback early, Cialdini writes, “reduces their perception of being pushed in only one direction.” A listener who has been given both sides has less reason to feel pushed, and so less to resist.
At a home party, the point where the demonstration turns into a request is the useful moment to ask what the host stands to gain, and to ask it before the evening has used up your attention. If the host has already named a drawback, there is less left for you to find.
Common questions
Why does a sales pitch stop working once you spot it?
It stops working on what you say about the seller. In Margaret Campbell and Amna Kirmani's 2000 experiments, people who inferred an ulterior motive used their persuasion knowledge and rated the salesperson as less sincere. It does not always stop the pull. Elaine Chan and Jaideep Sengupta found in 2010 that when the motive was obvious, explicit evaluations of a flatterer fell while a favourable implicit attitude persisted, and the implicit one carried more influence.
Does knowing a salesperson's motive make you immune?
No. Cialdini reports customers who were fully aware of the pressure and bought anyway. In Brad Sagarin's 2002 studies, resistance was greatest when people were shown both the persuader's manipulative intent and their own vulnerability, and gave up the belief that they were immune to persuasion.
Does warning someone about a sales pitch help?
Sometimes. Wendy Wood's 2003 meta-analysis found that warnings produced resistance on involving topics, where people defended their views, and agreement in advance on less involving ones, where the authors read the warning as a reminder of the risk of looking gullible.
What is the persuasion knowledge model?
It is Marian Friestad and Peter Wright's 1994 account of how people develop and use knowledge of persuaders' goals and methods. The knowledge covers the persuader's tactics, how effective and how appropriate they are, and the person's own goals in coping with a sales pitch.
Sources
Friestad, M., & Wright, P. (1994). 'The Persuasion Knowledge Model: How People Cope with Persuasion Attempts.' Journal of Consumer Research, 21(1), 1-31. doi:10.1086/209380
Campbell, M. C., & Kirmani, A. (2000). “Consumers' Use of Persuasion Knowledge: The Effects of Accessibility and Cognitive Capacity on Perceptions of an Influence Agent.” Journal of Consumer Research, 27(1), 69-83. doi:10.1086/314309
Sagarin, B. J., Cialdini, R. B., Rice, W. E., & Serna, S. B. (2002). 'Dispelling the illusion of invulnerability: The motivations and mechanisms of resistance to persuasion.' Journal of Personality and Social Psychology, 83(3), 526-541. doi:10.1037/0022-3514.83.3.526
Wood, W., & Quinn, J. M. (2003). 'Forewarned and forearmed? Two meta-analytic syntheses of forewarnings of influence appeals.' Psychological Bulletin, 129(1), 119-138. doi:10.1037/0033-2909.129.1.119
Chan, E., & Sengupta, J. (2010). 'Insincere Flattery Actually Works: A Dual Attitudes Perspective.' Journal of Marketing Research, 47(1), 122-133. doi:10.1509/jmkr.47.1.122
Cialdini, R. B. (2021). Influence, New and Expanded: The Psychology of Persuasion. New York: Harper Business. ISBN 9780062937650