The Power of Belonging: How Brands Harness In-Group Bias to Win Customers

Shah Mohammed
12 min readAug 31, 2023
The Secret Strategies of Marketing: How Brands Use Cognitive Biases to Win Your Wallet

In-group bias is a psychological phenomenon where individuals tend to favour and show a preference for members of their own social group or “in-group” while exhibiting prejudice or negative attitudes toward individuals from other groups, known as “out-groups.” This bias is rooted in our natural inclination to associate with people who share similar traits, beliefs, or values, creating a sense of belonging and identity.

In psychology, in-group bias is significant because it plays a crucial role in shaping our attitudes, behaviours, and interactions. It can lead to feelings of camaraderie and loyalty within our own group, but it can also contribute to stereotypes, prejudice, and even discrimination against those perceived as different. Understanding in-group bias helps shed light on how individuals perceive themselves and others, and it has implications for various aspects of social behaviour, including consumer choices, decision-making, and even broader societal dynamics.

In-group Bias and Consumer Behavior

The connection between in-group bias and consumer behaviour lies in the psychological tendencies that influence how individuals make purchasing decisions.

Here’s how it impacts consumer behaviour:

Preference for Familiarity: People are naturally drawn to what is familiar and known to them. In-group bias fosters a sense of familiarity with brands or products that are associated with their own social groups. Consumers are more likely to choose products endorsed or used by people they perceive as similar to themselves.

Identity and Belonging: Consumers often use the products they buy to express their identities and affiliations. Brands that align with the values, beliefs, or lifestyles of consumers’ in-groups resonate more strongly. Purchasing these products reinforces a sense of belonging and identity within the group.

Social Proof: In-group bias creates a form of social proof. If individuals within a person’s in-group are using or endorsing a particular brand, it signals that this choice is accepted and validated by those they identify with. This can sway consumer decisions, as people often rely on the behaviour of others as a guide.

Emotional Connection: Brands that successfully leverage in-group bias can evoke emotions tied to group identity. Emotional connections increase the likelihood of repeated purchases and brand loyalty. Consumers associate positive feelings with products that make them feel part of their chosen group.

Selective Information Processing: Consumers may engage in selective information processing, seeking out and giving more weight to information that confirms their in-group preferences. They might ignore or downplay information that contradicts their bias, reinforcing their alignment with the group’s choices.

Word-of-Mouth and Recommendations: In-group bias fuels word-of-mouth marketing. When consumers are pleased with a brand that aligns with their in-group, they are more likely to recommend it to others within the same group. These recommendations are often taken more seriously due to the shared affiliation.

Resistance to Change: In-group bias can make consumers resistant to switching brands or trying new products. If their in-group holds a preference for a particular brand, they might stick to it even when objectively better options are available.

Brand Communities: Brands that capitalize on in-group bias foster strong brand communities. These communities create a sense of belonging, encourage discussions, and strengthen the emotional connection between the brand and its consumers.

In-group bias is a powerful psychological factor that significantly influences consumer behaviour. Brands that understand and effectively harness this bias can create strong emotional connections, foster brand loyalty, and encourage consumers to identify with and advocate for their products.

A few real-world examples

Adidas Originals and Urban Culture

Adidas Originals is a sub-brand of Adidas that focuses on vintage-inspired, lifestyle-oriented footwear and apparel. This brand has successfully tapped into in-group bias by aligning with urban culture and streetwear fashion.

How Adidas Originals Uses In-Group Bias:

  1. Cultural Alignment: Adidas Originals aligns its branding and product offerings with urban culture, hip-hop music, and streetwear fashion. These elements resonate with a specific in-group that identifies with these cultural expressions.
  2. Celebrity Endorsements: The brand collaborates with popular musicians, artists, and influencers from the urban and streetwear scenes. These individuals serve as in-group figures whose endorsement reinforces the sense of belonging for those who identify with these subcultures.
  3. Authenticity and Heritage: Adidas Originals draws from its own history and heritage while updating classic designs to appeal to contemporary urban fashion. This blend of nostalgia and modernity resonates with individuals who appreciate both the brand’s legacy and its relevance to their current lifestyle.
  4. Community and Social Media: The brand encourages community engagement through social media and events. Consumers who share a connection to urban culture and streetwear can interact, share experiences, and validate each other’s choices, fostering a strong sense of belonging.
  5. Limited Edition Releases: Adidas Originals often releases limited-edition products, creating a sense of exclusivity and desirability. These releases drive a heightened feeling of affiliation and identity among those who are able to acquire these unique items.
  6. Customization and Personalization: The brand offers options for customization, allowing consumers to create products that align even more closely with their personal style and identity, reinforcing the sense of belonging to the in-group.

By aligning its branding, collaborations, and product offerings with urban culture and streetwear fashion, Adidas Originals leverages in-group bias. Consumers who identify with these subcultures are more likely to choose Adidas Originals products as a way to express their identity and sense of belonging, reinforcing their affiliation with the in-group.

K-beauty Products and Asian Communities

K-beauty, short for Korean beauty, refers to a range of skincare and cosmetic products originating from South Korea. These products emphasize natural ingredients, innovative formulations, and a multi-step skincare routine. K-beauty has gained significant popularity globally, particularly among Asian communities.

How In-Group Bias and Familiarity Play a Role:

  1. Cultural Connection: Asian individuals have an in-group connection due to shared cultural values, experiences, and beauty standards. K-beauty products, originating from a culture familiar to them, align with their preferences and values.
  2. Endorsement by Influencers: Asian influencers, celebrities, and social media personalities often endorse K-beauty products. These individuals serve as relatable figures within the in-group, creating a sense of familiarity and trust.
  3. Similar Skin Concerns: K-beauty products often address specific skincare concerns common among Asian populations, such as hyperpigmentation and sun protection. The familiarity of these products catering to their needs makes them more appealing.
  4. Shared Beauty Ideals: K-beauty emphasizes achieving clear, radiant skin — beauty ideals often shared within Asian cultures. The focus on achieving these ideals using familiar products resonates strongly with Asian consumers.
  5. Cultural Significance: The use of K-beauty products becomes not just a skincare routine but also a cultural practice, reinforcing a sense of identity and belonging within the in-group.
  6. Word-of-Mouth: Recommendations from friends, family members, or community members who have experienced positive results with K-beauty products hold significant weight due to the shared affiliation.

The preference for familiarity and the influence of in-group bias contribute to the popularity of K-beauty products within Asian communities. Consumers within this in-group are more likely to choose K-beauty products due to the sense of familiarity, cultural alignment, and the endorsement of individuals they perceive as similar to themselves.

Fenty Beauty and Inclusive Beauty Standards

Fenty Beauty is a cosmetics brand launched by singer Rihanna in 2017. The brand gained widespread acclaim for its emphasis on inclusivity in beauty products, particularly in offering a wide range of foundation shades to cater to diverse skin tones.

How Fenty Beauty Uses In-Group Bias and Social Proof:

  1. Inclusive Representation: Fenty Beauty’s emphasis on providing products for a wide range of skin tones resonates strongly with individuals who have historically been underrepresented in the cosmetics industry. This inclusivity creates an in-group for those who appreciate brands that celebrate diverse beauty.
  2. Celebrity Endorsement: Rihanna’s own identity as a woman of color and a global icon serves as a powerful form of social proof. Her endorsement of Fenty Beauty signals to her fans and those who identify with her that the brand aligns with their values and preferences.
  3. Consumer Photos and Reviews: Fenty Beauty actively encourages customers to share photos and reviews of themselves using the products on social media. These user-generated posts provide authentic social proof, as people within the in-group see others like them endorsing and using the brand.
  4. Online Communities: Online platforms and communities focused on makeup and beauty often discuss and recommend Fenty Beauty products. These discussions serve as virtual gatherings of the in-group, reinforcing the perception that the brand is popular and accepted by those who share similar preferences.
  5. Media Coverage and Awards: The recognition and accolades received by Fenty Beauty for its inclusivity and quality act as third-party endorsements. These external validations further reinforce the social proof that the brand’s choices are endorsed by experts and the industry.
  6. Retailer Placement: Fenty Beauty’s popularity has led to prominent placement in major retailers. When consumers see the brand showcased in well-known stores, it bolsters the perception of its widespread acceptance within the in-group.

By emphasizing inclusivity and leveraging social proof, Fenty Beauty has effectively tapped into in-group bias. Consumers who identify with the brand’s message and appreciate its representation are more likely to choose Fenty Beauty products due to the validation and acceptance of those they identify with.

Patagonia’s Environmental Advocacy and In-Group Bias

Patagonia, a prominent outdoor clothing and gear brand, has masterfully harnessed in-group bias through its unwavering commitment to environmental sustainability and activism. The brand’s approach is deeply rooted in environmental advocacy, resonating with individuals who hold sustainable practices and environmental causes in high regard.

Patagonia’s messaging plays a pivotal role in reinforcing its in-group bias strategy. Phrases like “For the Planet” and “Join the Fight” are commonplace in their marketing and communications. This inclusive language effectively invites like-minded individuals to become part of a community that shares a common concern for the environment. It fosters a sense of belonging and identity among those who prioritize eco-conscious values.

Another significant aspect of Patagonia’s approach is its emphasis on producing high-quality, durable products. This aligns seamlessly with the values of consumers who prioritize longevity and sustainability over fast fashion. By creating products that are built to last, Patagonia reinforces its identity as a brand that values quality and values products that stand the test of time, attracting consumers who share this ethos.

Transparency is a hallmark of Patagonia’s practices, particularly when it comes to its supply chain. The brand places a strong emphasis on fair labor practices and responsible sourcing. By being open and honest about its operations, Patagonia builds trust with consumers who prioritize ethical and responsible business practices. This transparency serves as a beacon, guiding those who align with such values towards the brand.

Moreover, Patagonia actively engages its customers in various initiatives, such as repair programs and clothing recycling. These actions create a sense of shared responsibility and community engagement. Customers who participate in these programs feel like they are contributing to a larger cause and are part of a community that shares their values.

In essence, Patagonia has not only advocated for environmental sustainability but has also successfully built a brand identity that attracts and retains consumers who prioritize these values. The sense of belonging to a community that shares a deep concern for the environment is a driving force behind Patagonia’s continued success, ultimately demonstrating the power of in-group bias in shaping consumer behaviour and brand loyalty.

REI’s “Opt Outside” Campaign

REI’s “Opt Outside” campaign, launched in 2015, encouraged consumers to spend Black Friday outdoors instead of participating in the consumer frenzy of shopping. The campaign tapped into in-group bias by aligning with outdoor enthusiasts who value nature, adventure, and the outdoors. It aimed to create a sense of community among individuals who shared a passion for outdoor activities and to promote a lifestyle that prioritizes experiences over material consumption.

Authentic Connection: REI’s campaign was rooted in the company’s core values and the interests of its customer base. The brand recognized that its target audience consisted of people who preferred spending time in nature rather than shopping on Black Friday. By emphasizing this shared value, REI leveraged in-group bias and created an authentic connection with its customers.

Inclusivity and Transparency: The campaign was inclusive by design, inviting individuals of all ages, backgrounds, and skill levels to participate. REI encouraged people to share their outdoor experiences using the hashtag #OptOutside, creating a sense of inclusivity and showcasing diverse ways people enjoyed the outdoors. The transparency of the campaign’s message — stepping away from consumerism to embrace nature — resonated with those who identified with the importance of outdoor experiences.

Community Building: “Opt Outside” fostered a sense of community by encouraging people to share their outdoor activities and inspiring one another. By participating in the campaign, individuals became part of a collective movement that celebrated outdoor adventures. This sense of belonging further strengthened the in-group bias and loyalty to the brand.

Emotional Connection: The campaign evoked emotions tied to shared experiences and the joy of spending time outdoors. For those who identified with the outdoor community, the campaign’s message was both relatable and aspirational, leading to a deeper emotional connection with the brand.

Long-Term Commitment: REI’s “Opt Outside” campaign wasn’t just a one-time marketing effort; it became an annual tradition. The brand’s commitment to closing its stores on Black Friday and promoting outdoor experiences each year demonstrated its dedication to the values of the outdoor community.

Impact and Outcomes: The “Opt Outside” campaign garnered widespread attention, generating positive sentiment and engagement across social media platforms. It received extensive media coverage and resonated with consumers who identified with the brand’s message of valuing experiences over materialism. The campaign not only reinforced REI’s position as a brand aligned with outdoor enthusiasts but also inspired other companies to consider alternative approaches to Black Friday.

Some Practical Advice for Marketers and Brand Owners

Leveraging in-group bias can be a powerful strategy for brands, but it must be approached responsibly to avoid misinterpretation or backlash. Here’s practical advice for brands looking to tap into in-group bias while prioritizing authenticity, inclusivity, and transparency:

  • Understand Your Audience: Thoroughly research and understand your target audience’s values, interests, and preferences. Identify the in-groups that are relevant to your brand and align with your products or message.
  • Align with Authentic Values: Ensure that the values and causes your brand associates with are authentic and genuinely resonate with your target in-groups. Inauthentic alignment can be quickly identified and may lead to a loss of trust and credibility.
  • Prioritize Inclusivity: Ensure that your campaign or messaging is inclusive and respectful of diverse perspectives within the in-group. Avoid reinforcing stereotypes or alienating segments of your audience.
  • Avoid Tokenism: Incorporate diversity and representation genuinely and meaningfully. Avoid using diverse imagery or individuals as mere tokens. Showcase real stories, experiences, and contributions from diverse individuals.
  • Transparent Intentions: Be transparent about your intentions. Clearly communicate why you are aligning with a particular in-group and how it relates to your brand’s values and offerings.
  • Tailor Messaging: Craft messaging that speaks directly to the concerns, aspirations, or challenges of the in-group. Use language and imagery that resonate with their experiences, ensuring that it comes across as relatable and authentic.
  • Collaborate with Insiders: Collaborate with individuals who are part of the target in-group. Insiders can provide valuable insights, ensuring that your messaging and approach are accurate and respectful.
  • Listen and Adapt: Be open to feedback from your audience. If your campaign is met with criticism or concerns, listen actively and be prepared to make adjustments to address any missteps.
  • Avoid Over-Simplification: When addressing complex issues, such as social justice or cultural topics, avoid oversimplification. Acknowledge the complexity and nuances of the issues and provide resources for those interested in learning more.
  • Focus on Long-Term Commitment: Leveraging in-group bias isn’t just about a one-time campaign. To be effective, it requires a sustained commitment to the values and causes you’re aligning with.
  • Measure Impact and Engagement: Monitor the impact of your campaigns beyond sales metrics. Measure engagement, sentiment, and conversations to gauge the effectiveness of your in-group bias strategy.
  • Be Prepared for Controversy: Leveraging in-group bias can be polarizing. Be prepared for potential controversy and backlash. Stand by your authentic values, but also be open to constructive criticism.
  • Educate and Empower: Consider incorporating educational components into your campaign that empower your audience to learn more about the in-group’s experiences and perspectives.

By following these guidelines, brands can tap into in-group bias in a responsible manner that respects the values and identities of the target audience. Authenticity, inclusivity, and transparency are key to building a meaningful connection and fostering long-term brand loyalty.

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