How To Use the Psychology Of Social Proof To Your Advantage

From FOMO and "liking," the more subtle ways we participate and relate to content online can be used for marketing to the psychology of your audience.

A lot of things go into a person’s decision to purchase a product, and social proof is certainly one of those important factors. Studies show that 70% of consumers say they look at product reviews before making a purchase, and product reviews are 12x more trusted than product descriptions from manufacturers.

Product reviews are just one example of social proof. However, these statistics do give us insight into the value of social proof when it comes to marketing.

What is social proof?

Social proof is the concept that people will conform to the actions of others under the assumption that those actions are reflective of the correct behavior.

Thanks to social media, social proof has gained steam over the past couple of years, but in truth it’s been around for a while in marketing.

Here are some examples:

  • Night clubs and bars limit entry and make patrons wait in line outside. The visual of others waiting to get in increases the perception of the venue’s popularity. It is meant to entice a passerby to check out the club.
  • The way you sign up for most country clubs? You apply to a waitlist. The cost of joining aside, this furthers the perception that membership is an exclusive privilege.
  • McDonald’s restaurants include the line “Billions and Billions Served” on their signs.
  • TV shows play canned laughter or recorded applause to elevate the comical perceptions of situations in the plot. They want you to laugh along with them.

Although the concept of social proof may be nothing new, social media, user-generated content, and the internet have made it a lot easier to use it in marketing.

5 examples of social proof

To get you thinking about why social proof is important for your marketing and give you ideas on how to incorporate it, here are five examples of social proof, the science-proven reasons why they work, and an example of each in the wild.

1. Expert social proof

Expert social proof is when your product gets a stamp of approval from a credible expert, like an industry blogger. This can come in the form of a Twitter mention, a press quote, or even a blog post.

The Science: It’s a common practice amongst marketers to try and get “influencers” to endorse a product. But “influencer marketing” is more than a trend or buzzword; there’s science to back this practice up.

The halo effect is a cognitive bias in which we judge someone’s opinion based on our overall impression of him or her.

Influencers are well-known, so they already have established reputations. If it’s a positive reputation, anything else they are involved with is seen more positively by association. This is why influencer testimonials work.

Real Life Example: Visitors referred by a fashion magazine or blogger to designer fashion rentals online at Rent the Runway drive a 200% higher conversion rate than visitors driven by paid search.

It makes sense, given that bloggers are becoming celebrities in their own rights. Which leads us to our next example…

2. Celebrity Social Proof

This is celebrity approval of your product or endorsements from celebrities. Celebrity endorsement is always a double-edged sword. If the celebrity is properly matched to the brand, it can do wonders for the company. If it’s a mismatch, it may produce a bad image of the company and its brand.

The Science:To understand why celebrity endorsements work from a psychological perspective, it’s important to familiarize yourself with the concept of the extended self. The extended self is made of up the self (me) and possessions (mine). It suggests that intentionally or unintentionally we view our possessions as a reflection of ourselves. This is why consumers look for products that signify group membership and mark their position in society.

Real Life Example:Priceline.com was one of the first web startups to use a celebrity endorser back in 1997. William Shatner is not a travel expert or travel industry influencer, but he has an overall likeable image. It seems genuine when he tries to save consumers money.

The partnership has been a huge success for Priceline, which now has a $60 billion market cap. The fee that Shatner took in shares is estimated to be worth more than $600 million.

3. User Social Proof

User social proof is approval from current users of a product or service. This includes customer testimonials, case studies, and online reviews.

The Science: User social proof is particularly effective when it involves storytelling.

We tend to imagine ourselves in other people’s shoes when we read or hear a story. This is why stories are so persuasive and often more trustworthy than statistics or general trends. Individual examples stick with us because we can relate to them. Although statistics can be effective, it can be tougher to really see yourself in the aggregate the way you can with a personal account.

Real Life Example: Like many companies, Crate and Barrel invites customers to write reviews on the products they purchased. In addition to being able to rate the product on a five star scale, customers can also share photos of what the product looks like in person. The visual element to these reviews is particularly helpful and convincing.

4. ‘Wisdom of the Crowds’ Social Proof

This type of social proof is approval from large groups of other people. It’s showing evidence that thousands, millions, or even billions have taken the action that the company wants you to take – making a purchase, subscribing, etc.

The Science: We kind of joke about FOMO in pop culture, but actually the Fear of Missing Out is a real thing. It’s a form of social anxiety, and it’s a compulsive concern that one might miss out on an opportunity. This anxiety is especially relevant for social media, as the sharing of what’s going on in our daily lives means you can constantly compare your status to others on these platforms.

Real Life Example: On his blog Convince and Convert, Jay Baer drives email subscribers with a call to action that notes you’ll be joining more than 20,000 of your peers when you sign up for his newsletter.

The noting of the number of subscribers is a smart nudge, as it reminds potential subscribers that they don’t want to miss out on the valuable tips that their peers are already receiving.

Another common application of this form of social proof are “gated” sites. Frank and Oak and One Kings Lane both require signup before you can shop. This gives the impression that the experience is so popular, one has to be put on a waitlist.

5. ’Wisdom of Your Friends’ Social Proof

Social media has sparked dozens of different ways to provide this kind of social proof. Facebook widgets that show other Facebook friends that “like” a brand, Twitter’s display of people you follow that also follow another person, and the various ways that company offer rewards for referring others to the brand are all examples of this.

It’s a powerful marketing tool. One study of 10,000 accounts at a German bank revealed that customers who came from customer referrals had 16% higher lifetime value than those who came from other acquisition sources. Additionally, the customers churned 18% less.

The Science: The concept of implicit egotism is that most people subconsciously like things that “resemble” them in some way. Studies show that we value the opinions of people we perceive as most like us. We tend to become friends with people that we have a lot in common with, so it makes sense that social triggers like Facebook’s Like Box or referral programs are successful.

Real Life Example: Flash sale fashion retailer Rue La La offers an incentive to get customers to refer their friends to the site. When referred customers make their first purchases, the customers who referred them get $10 off their next purchase.

Put it into practice

Now that you are familiar with the different kinds of social proof and why they are effective, dive in and use them in your marketing.

  • A few quick ways you can use social proof right away:
  • Add customer testimonials to your website or newsletters
  • Emphasize your follower and subscriber numbers on your blog
  • Automate follow-up with great customers or contacts to ask for referrals

Find experts who are interested in what you’re doing, build relationships and work together to find ways that they can help promote you.

This article originally appeared on Buffer and is reprinted with permission.

[Image: Flickr user Thomas Angermann]

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