Persuasion is applied in a broad spectrum of situations
Chapter 8 - Social Influence and Persuasion
– Part 1
• Two Types of Social Influence • Techniques of Social Influence • Persuasion • Resisting Persuasion
Social Influence and Persuasion
• James Warren Jones – Jonestown (1978)
• How could Jim Jones have influenced his followers to such a deep level that more than
900 committed revolutionary suicide?
Normative Social Influence
• Normative Influence – Going along with the crowd to be liked
• Asch (1955) study of normative influence – Conformity increases as group size
increases
– Dissension reduces conformity
• Deviating from the group – Social rejection
Informational Social Influence
• Going along with the crowd because you believe the crowd knows more than you do
– Autokinetic effect
– Sherif – Group norm
Two Types of Social Influence
• Informational influence produces private acceptance
– Genuine inner belief that others are right
• Normative influence produces public compliance
– Inner belief that the group is wrong
Techniques of Social Influence
• Foot-in-the-Door Technique – Start with small request to gain eventual
compliance with larger request
• Low-ball Technique – Start with low-cost request and later reveal
the hidden costs
• Both based on principles of commitment and consistency
Techniques of Social Influence
• Bait-and-Switch Technique – Draw people in with an attractive offer that
is not available and then switch to a less
attractive offer that is available
– Based on principle of commitment and
consistency
Techniques of Social Influence
• Labeling Technique – Assigning a label to an individual and then
making a request consistent with that label
– Based on commitment and consistency
• Legitimization-of-Paltry-Favors Technique – Make a small amount of aid acceptable
Techniques Based on Reciprocation
• Door-in-the-Face Technique – Start with an inflated request and then
retreat to a smaller one that appears to be
a concession
– Does not work if the first request is viewed
as unreasonable
– Does not work if requests are made by
different people
Techniques Based on Reciprocation
• That’s-Not-All Technique – Begin with inflated request but immediately
add to the deal by offering a bonus or
discount
Techniques Based on Scarcity
• Rare opportunities are more valuable than plentiful ones
• Scarcity heuristic in decision making • Psychological reactance
– When personal freedoms are threatened,
we experience this unpleasant emotional
response
Techniques Based on Capturing
and Disrupting Attention
• Pique Technique – One captures people’s attention by
making a novel request
• Disrupt-then-Reframe Technique – Introduce an unexpected element that
disrupts critical thinking and then reframe
the message in a positive light