The Community Health Index is a numerical index developed by Lithium Technologies to measures the "health" of online communities. It is often abbreviated as CHI, and sometimes denoted by the Greek letter χ. The value of CHI ranges from 0 to 1,000, where 0 represents communities with poor health and 1,000 represents communities with excellent health.

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  • The Community Health Index is a numerical index developed by Lithium Technologies to measures the "health" of online communities. It is often abbreviated as CHI, and sometimes denoted by the Greek letter χ. The value of CHI ranges from 0 to 1,000, where 0 represents communities with poor health and 1,000 represents communities with excellent health. The health of an online community, in this case, is defined to be its ability to meet the needs of its members irrespective of the business objective of the community. In late 2008, Lithium Technologies completed a detailed, time-series analysis of up to a decade's worth of proprietary data that represents billions of interactions, millions of users, and scores of communities. This research, coupled with the company's expertise in planning, deploying, and managing customer communities, enabled Lithium to identify and calculate key factors that contribute to a new standard for measuring community health. By analyzing hundreds of metrics from communities of varying types, sizes, and ages, Lithium identified the diagnostic and predictive metrics that most accurately represent key attributes of a healthy community: growth, useful content, popularity, responsiveness, interactivity, and liveliness. Although Lithium uncovered other metrics that proved to be even more predictive of community health, the ones the company selected as the basis for calculating the Community Health Index are readily available for most online communities across the industry.
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  • The Community Health Index is a numerical index developed by Lithium Technologies to measures the "health" of online communities. It is often abbreviated as CHI, and sometimes denoted by the Greek letter χ. The value of CHI ranges from 0 to 1,000, where 0 represents communities with poor health and 1,000 represents communities with excellent health.
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  • Community Health Index
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