Elements of Perception
• Sensation
• Absolute threshold
• Differential threshold
• Subliminal perception
Sensation
• The immediate and direct response of
the sensory organs to stimuli
• A stimulus is any unit of input to
any of the senses.
• The absolute threshold is the lowest
level at which an individual can experience a sensation.
Differential Threshold
• Minimal difference that can be
detected between two similar stimuli
• Also known as the just noticeable
difference (the j.n.d.)
Weber’s Law
• The j.n.d. between two stimuli is
not an absolute amount but an amount relative to the intensity of the first
stimulus
• Weber’s law states that the stronger
the initial stimulus, the greater the additional intensity needed for the
second stimulus to be perceived as different.
• For
example, if you are buying a new computer that costs $1,000 and you want to add
more memory that increases the and the price $200 (a 20% increase), you might
consider this too much additional money to spend. However, if you were buying a
$300,000 house a $200 feature may seem like nothing. It might take an
additional $10,000 to make you stop and think if it's too much to spend. In
this example, the amount stays the same ($200), but the proportion changes and
that's what makes the perceptual difference.
https://www.youtube.com/watch?v=wVhiezByMSU
https://www.youtube.com/watch?v=wVhiezByMSU
Sales Applications of the J.N.D
• Marketers need to determine the
relevant j.n.d. for their products
– so that negative changes are not
readily discernible to the public
•
Reduction
in chocolate size?
– so that product improvements are
very apparent to consumers
•
NEW
FORMULA!
Discussion Question
• Is j.n.d. ethical? Think about its
use for…
– Product decisions
– Packaging decisions
– Advertising decisions
– Sales promotion decisions.
Subliminal Perception
• Stimuli that are too weak or too
brief to be consciously received by sight, sound or other sensory processes.
• Subliminal perception was thought to
be useful in the form of subliminal advertising (Packard, 1957)
• Early reports suggested that
subliminal advertising during movie showings had led to 17% and 58% increase in
sales of coca-cola and popcorn respectively.
• Is subliminal advertising ethical?
Is Subliminal Persuasion Effective?
• Extensive research has shown no
evidence that subliminal advertising can cause behavior changes (Bathol &
Goldstein, 1959; Moore, 1982; Pratkanis, 1991).
• Unable to replicate movie study
• Some evidence that subliminal
stimuli may influence affective reactions, but the effects are weak (Moore,
1982)
• Subliminal advertising is illegal in
many countries (Harrell, 1986)
Aspects of Perception: Selection, Organisation, Interpretation
Perceptual
Selection
• Consumers subconsciously are
selective as to what they perceive.
• Stimuli selected depends on two
major factors
– Consumers’ previous experience
– Consumers’ motives
• Selection depends on the
– Nature of the stimulus
– Expectations
– Motives
• Perceptual Selection Concepts - Selective
Exposure
–
Selective
Attention
–
Perceptual
Defense
–
Perceptual
Blocking
• Selective Exposure: Consumers seek
out messages which:
•
Are
pleasant
•
They
can sympathise with
•
Reassure
them of good purchases
•
Fit
with their world view
•
Match
their personalities
–
Selective
Attention: Heightened awareness when stimuli meet their needs
•
Consumers
prefer different messages and medium
–
Perceptual
Defense: Screening out of stimuli which are threatening or opposed to your view
of the world
Hastorf
& Cantril, 1954
• Princeton vs. Dartmouth –
Controversial and rough american football match
• Independent reports suggested that
both sides were overly rough but that Dartmouth had been slightly more so than
Princeton
• Students from both universities were
asked to estimate how many fouls each team committed
• Dartmouth students: 4.4 vs. 4.3
• Princeton students: 4.2 vs. 9.8
• Clearly there was some selective attention going on
here…
•
Perceptual
Blocking: Consumers avoid being bombarded by:
•
Tuning
out
•
TiVo
Aspects of Perception: Organization
•
Principles: Figure and ground
•
Grouping
•
Closure
• Figure and ground: People tend to
organize perceptions into figure-and-ground relationships.
• The ground is usually hazy.
• Marketers usually design so the
figure is the noticed stimuli.
• Grouping: People group stimuli to
form a unified impression or concept.
• AKA Schemas
• Grouping helps memory and recall.
• Closure: People have a need for
closure and organize perceptions to form a complete picture.
• Will often fill in missing pieces
• Incomplete messages remembered more
than complete
Aspects of Perception: Interpretation
•
Perceptual Distortion: Physical Appearances
•
Stereotypes
•
First Impressions
•
Jumping to Conclusions
•
Halo Effect
• Physical Appearances:
• Positive attributes of people they
know to those who resemble them
• Important for model selection
• Attractive models are more
persuasive for some products
• Stereotypes
• People hold meanings related to
stimuli
• Stereotypes influence how stimuli
are perceived
• First Impressions
• First impressions are lasting
• The perceiver is trying to determine
which stimuli are relevant, important, or predictive
• Jumping to Conclusions
• People tend not to listen to all the
information before making conclusion
• Important to put persuasive
arguments first in advertising
• Halo Effect
• Consumers perceive and evaluate
multiple objects based on just one dimension
• Used in licensing of names
• Important with spokesperson choice
Issues in Consumer Imagery
• Product Positioning and
Repositioning
• Positioning of Services
• Perceived Price
• Perceived Quality
• Retail Store Image
• Manufacturer Image
• Perceived Risk
Positioning
• Establishing a specific image for a
brand in the consumer’s mind
• Product is positioned in relation to
competing brands
• Conveys the concept, or meaning, of
the product in terms of how it fulfills a consumer need
• Result of successful positioning is
a distinctive, positive brand image
Positioning Techniques
• Umbrella Positioning
• Positioning against Competition
• Positioning Based on a Specific
Benefit
• Finding an “Unowned” Position
• Filling Several Positions
• Repositioning
Issues in Perceived Price
• Reference prices – used as a basis
for comparison in judging another price
– Internal
– External
• Acquisition and transaction utility
• One study offers three types of
pricing strategies based on perception of value.
Acquisition and transaction utility
• You
are on a deserted beach on a hot day. You’ve been there a while and you are
thirsty. A friend of yours has spotted a single place selling beer a few
hundred yards in the distance. He explains that he’s just off to fetch a bottle
of beer for himself, and wonders if you would like one too. “Let me know how
much you are willing to pay for a chilled bottle of, say, Heineken from that
[beach-shack/luxury resort hotel] over there.” he explains. If the price is
below your maximum, I’ll buy it. If it’s higher, I won’t.
• Even
though the two products - and their value to the drinker - are in theory
identical, in experiments it was found that almost all people - even trained
economists - were willing to pay considerably more for the bottle when the
vendor was a fancy hotel than when it was a beach shack (in 1980s dollars, the
average answers were $2.65 and $1.50 respectively)
• it
may suggest that our conception of value seems to include some concept of
fairness and proportionality - and does not reside exclusively in the personal
utility we enjoy from the purchase. So we unconsciously understand that a
boutique hotel has higher overheads than a shack, and make allowances for that
in our appraisal of a just price: if the price seems unfair, we won’t pay, even
for something we really want.
Acquisition-Transaction Utility
• Acquisition utility
– The consumer’s perceived economic
gain or loss associated with the purchase
– Function of product utility and
purchase price
• Transaction utility
– The perceived pleasure or displeasure
associated with the financial aspect of the purchase
– Determined by the difference between
the internal reference price and the purchase price
Issues in Perceived Price
• Reference prices – used as a basis
for comparison in judging another price
– Internal
– External
• Acquisition and transaction utility
• One study offers three types of
pricing strategies based on perception of value.
Perceived Quality
• Perceived Quality of Products
– Intrinsic vs. Extrinsic Cues
• Perceived Quality of Services
• Price/Quality Relationship
Perceived Quality of Services
• SERVQUAL scale used to measure gap
between customers’ expectation of service and perceptions of actual service
A Scale
Measuring Customer’s Perception of Call Center Employees
ATTENTIVENESS
- The agent did not make an
attentive impression.
- The agent used short,
affirmative words and sounds to indicate that (s)he
was really listening.
PERCEPTIVENESS
- The agent asked for more
details and extra information during the conversation.
- The agent continually attempted
to understand what I was saying.
- The agent paraphrased what had
been said adequately.
RESPONSIVENESS
- The agent offered relevant
information to the questions I asked.
- The agent used full sentences
in his or her answers instead of just saying yes or no.
- The agent did not recognize
what information I needed.
TRUST
- I believe that this company
takes customer calls seriously.
- I feel that this company does
not respond to customer problems with understanding.
- This company is ready and
willing to offer support to customers.
- I can count on this company to
be sincere.
SATISFACTION
- I am satisfied with the level
of service the agent provided
- I am satisfied with the way I
was spoken to by the agent.
- I am satisfied with the
information I got from the agent.
- The telephone call with this
agent was a satisfying experience.
CALL
INTENTION
- I will very likely contact this
company again.
- Next time I have any questions
I will not hesitate to call again.
- I would not be willing to
discuss problems I have with this company over the phone.
Price/Quality Relationship
• The perception of price as an
indicator of product quality (e.g., the higher the price, the higher the
perceived quality of the product.)
Perceived Risk
• The degree of uncertainty perceived
by the consumer as to the consequences (outcome) of a specific purchase
decision
• Types
– Functional Risk
– Physical Risk
– Financial Risk
– Psychological Risk
– Time Risk
How Consumers Handle Risk
• Seek Information
• Stay Brand Loyal
• Select by Brand Image
• Rely on Store Image
• Buy the Most Expensive Model
• Seek Reassurance
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