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Principles of Consumer
Behavior
MODULE II
BY
Dr. Ruchika Jeswal
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Topics to be covered
• Demographics and social stratification
• Group influence on consumer behaviour: Social groups
and Reference Groups
• Family: Concept of Family Life cycle and influence on
consumer behaviour, Family Purchase decision
process.
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Demographics
• Demographics: It describes a population in terms of its
size, distribution and structure.
• Example: demographics of a high end coffee shop
crowd.
• Marketers frequently segment and describe markets on
the basis of demographics.
• Use this information to select appropriate media.
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• Population Size and Distribution
• Occupation
• Education
• Age
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Social Stratification
• Societal Rank: One’s position relative to other’s on one
or more dimensions valued by society.
• Education, occupation, ownership of property, income
level and heritage influence your social standing.
• Social Class System: It can be defined as a
hierarchical division of a society into relatively distinct
and homogenous groups with respect to attitudes,
values and lifestyles.
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The Coleman Rainwater Social Class
Hierarchy
• Upper Americans
Upper-upper
Lower-upper
Upper-middle
• Middle Americans
Middle Class
Working Class
• Lower Americans
Upper-Lower
Lower-lower 12
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Groups may be classified as follows
• Four criteria are particularly useful:
1. membership
2. Strength of social tie
3. Type of contact
4. Attraction
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• Membership criterion is dichotomous : either one is a
member of a particular group or one is not a member of
that group.
• Strength of social ties refers to the closeness and
intimacy of the group linkages.
• a) Primary groups: family, friends ; involve strong ties
and frequent interaction.
• b) Secondary groups: professional and neighbourhood
associations involve weaker ties and less frequent
interactions.
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• Type of contact : refers to whether the interaction is
direct or indirect. Internet ; online communities is an
example of indirect communication.
• Attraction: refers to the desirability that membership in
a given group has for the individual . This can range
from positive to negative.
• a) dissociate groups: groups with negative desirability.
• b) aspiration groups: non membership groups with a
positive attraction. Individuals purchase products
thought to be used by a desired group.
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Two consumption Situation
Characteristics and Product/Brand choice
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Degree of Reference Group Influence
Visible Usage
High relevance of product to
group
Low individual purchase
confidence
Strong individual commitment
to group
Non Necessary item
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HIGH DEGREE OF
REFERNCE GROUP
INFLUENCE
→
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Degree of Reference Group Influence
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Marketing Strategies based on Reference
Group Influence
• Personal sales Strategies- e.g. of a sales person
influencing a group of consumers.
• Advertising Strategies- all three types of influence
would be used in various advertisements.
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Opinion Leader
• An individual who actively filter’s, interprets and
provides product or brand related information to their
family, friends and colleagues is known as an opinion
leader.
• E.g. seeking opinion for a product from someone you
believe is knowledgeable about the product category.
• Generally seen in high-involvement products.
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Stages of House hold Life Cycle
STAGE Single Married Children -None Children < 6
years
Children > 6
years
Younger < 35
Single I + +
Young married + +
Full Nest I + +
Single parent I + +
Middle aged
(35-64)
Single II + +
Delayed Full
Nest I
+ +
Full Nest II + +
Single Parent II + +
Empty Nest I + +
Older > 64 46
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Family Decision Making
• It is the process by which decisions that directly or
indirectly involve two or more family members are
made.
• Family purchases often compared to organizational
buying purchases.
• Family purchases are inherently emotional and affect
the relationships between the family members.
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The Nature of Family Purchase Role
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Individuals play various roles for different
decisions :
• Initiator
• Information gatherer
• Influencer
• Decision Maker
• Purchaser
• User
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Family decision making can also be
categorized :
• Husband – dominant
• Wife-dominant
• Joint
• Individualized
• Child-dominant
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Conclusions on Family Decision Making
• Different family members are involved in different
stages of the decision process.
• Different family members often evaluate different
attributes of the product or brand
• Desires of family members also needs to be taken into
account.
• Overt conflicts in decision making are less common
than agreement.
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