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The Quality of Online Support Communities: People not Posts

The popularity of online communities has never been stronger, with the growth of new groups (such as YouTube) skyrocketing past those of old. But sometimes people and companies confuse what makes a popular community, well, popular. They mistakenly point to traffic numbers, confusing quantity of people (or unique visitors) over why the people are coming in the first place – for other people.

As online communities continue to grow with virtually everyone who is online belonging to at least one such community, communities start competing with one another for the same people. Like to talk about the latest technologies and gadgets? You have dozens of large, thriving online communities to choose from. Suffer from depression and want to find an online support group? Dozens of depression support groups are vying for your attention.

Online Support Communities Are Different

But an online health or mental health support community is qualitatively different than other types of online communities. In a mainstream, non-support community, there are more often than not a large number of replies to a post, video, or news item that are short in length. And while there are some non-support communities that are exceptions to this rule, sites such as Digg, YouTube and Slashdot chase the norm – there are far more quantities of replies than there are quality replies. (Which is not to say there aren’t quality replies, just that you often have to read many – or use their built-in reputation systems – to find them.)

Support communities for health and mental health concerns, however, usually have a distinct purpose and an additional emotional connection amongst its members. They are all grappling with a similar serious issue in their lives, such as cancer, a medical disease, or a mental health issue. These communities usually foster a greater social connectedness amongst their members because of their focused subject matter and the seriousness of the concern. Reputation systems don’t make as much sense in these kinds of communities because users can be emotionally vulnerable – reputation systems are seen as just another judgment of their abilities. Such systems are usually inappropriate for a support community.

What Makes a Quality Support Community?

So what differentiates a vibrant, quality support community from one that may be large, but lacking in real social connections? Let’s look at two hypothetical online support communities based upon real-world sites:

Community ACommunity B
25,000 posts
50,000 replies
250,000 users
Repetition: 70%
Avg. # of replies per post: 2
Avg. size of reply: 125Kb
External rewards given
5,000 posts
25,000 replies
25,000 users
Repetition: 15%
Avg. # of replies per post: 5
Avg. size of reply: 550Kb
No external rewards given

Looking solely at number of users and/or number of posts + replies is not a good indicator of a vibrant, socially-connected community. As we can see in the above example, Community A is very large, but not very deep. Like a shallow pool, such online communities give the appearance of immense size, but offer little in-depth quality to its users. Community A also has a lot of repetition in its posts, because it actually encourages people to ask questions that have already been answered time and time again. Because the same question has been asked and answered dozens, and in some cases, hundreds of times already, the replies to each new posting tend to be short both in quantity of replies given, and in the size of each reply (number of characters).

Some online communities rely on the top numbers (number of users or total posts in the system) to suggest they are a large, vibrant community. Only by digging deeper can a person determine whether the community actually is a robust community that encourages social connections.

Social connections are weaker when people are rewarded for their community contributions via external, versus internal, rewards. An external reward is something like a prize for “best reply” or “most replies,” or a community reputation system. An internal reward is something a person feels inside for helping others out because they feel a social connection of some type to the person asking a question, or providing advice or support or information in their post. External rewards are often (but not exclusively) given to compensate for the lack of social connectedness within a community.

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Unintentionally, such external rewards may reinforce a shallow, lower-quality community. If a community reinforces quantity over quality, its users learn how to “game the system” by replying in large numbers to increase their standing (or reputation). Even when such communities make an effort to balance such rewards with rewards for quality replies as well, users learn that the more replies one makes, the more likely any given reply will be seen and considered for a “quality” indicator. With billions of web pages online, it’s also far easier to plagiarize a “reply” from an external source, with little worry of being caught (since most such Q&A online communities don’t have the resources to police the community properly).

A set of clearly defined community ground rules are also important to a strong, cohesive online community. While in many online communities, “anything goes” because there are things like reputation systems that are supposed to take care of troublemakers, an online support community is different. Users of a health community expect a higher level of discourse and emotional support, and don’t want to be judged for their posts or opinions (as reputation systems do). Therefore a set of community guidelines — of acceptable and unacceptable community behavior — helps to resolve this issue. Such guidelines also need to be administered by a fair, impartial team of transparent (e.g., known to the users) community moderators. Quality online support communities have both.

The Quality of Online Support Communities: People not Posts

John M. Grohol, Psy.D.

Dr. John Grohol is the founder and Editor-in-Chief of Psych Central. He is an author, researcher, and expert in mental health online, and has been writing about online behavior, mental health and psychology issues since 1995. Dr. Grohol has a Master's degree and doctorate in clinical psychology from Nova Southeastern University. Dr. Grohol sits on the editorial board of the journal Computers in Human Behavior and is a founding board member of the Society for Participatory Medicine. You can learn more about Dr. John Grohol here.

APA Reference
Grohol, J. (2020). The Quality of Online Support Communities: People not Posts. Psych Central. Retrieved on August 4, 2020, from
Scientifically Reviewed
Last updated: 29 Jul 2020 (Originally: 17 May 2016)
Last reviewed: By a member of our scientific advisory board on 29 Jul 2020
Published on Psych All rights reserved.