Planview IdeaPlace provides the flexibility to leverage multiple voting mechanisms depending on culture, use cases, and methodologies. Pairwise Voting is one of these mechanisms, using iterative idea comparisons to ensure each idea is given equal consideration by the crowd. When used in a Challenge Stage, participants are presented with two ideas side by side and asked to vote for the better of the pair. Once a pair has been voted on, additional pairs will continue to be displayed until the voter decides to stop, all pairs are completed, or the stage ends. As with many IdeaPlace features, leaderboards are available for use with Pairwise Voting.

How It Works - Basic ElementsThe figure above shows the elements of a Pairwise screen.

Pairwise voting can be configured for a specific voting period based on start and end dates or for a select stage in the idea lifecycle. It can also be restricted to specific member roles.
WARNING
It is not possible to change the Pairwise settings after the challenge phase that includes Pairwise voting has started. Settings must be selected before the phase starts.
NOTES
Reputation does not influence what ideas appear in Pairwise voting. Also, the idea owner's reputation is not influenced by the pairwise results.
Within challenges, it is not possible to change the Pairwise settings after the Pairwise challenge phase has begun.
Go to a non-challenge community, then Admin > Feature Management > Pairwise.


| Field | Description | |
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Countdown Clock |
When set to On, additional fields appear and are modifiable: Start/End Date, Send Email Notification and Limit Number of Pairwise Votes.
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Limit Number of Pairwise Votes |
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Select Stages to Enable Pairwise |
Selects the specific idea life cycle stages in which Pairwise voting will be enabled. |
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Select Pairwise Access |
Limits Pairwise voting to the selected roles. Users in other roles can access the Pairwise voting to view the results, but may not vote on ideas. |
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Display "Skip" Option |
Displays the "SKIP" button on the Pairwise page. |
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Display Category Selector |
This enables the ability to allow Pairwise voting on ideas from selected categories. This is standard behavior for all non-challenge communities. |
In the challenge's Edit Challenge page, expand the Phase Editor and select Pairwise Voting to open the popup.
NOTE
The Pairwise Voting checkbox must be checked to access this popup in the screen shot below.

| Field | Description |
|---|---|
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Select Stages to Enable Pairwise |
Selects the specific idea life cycle stages in which Pairwise voting will be enabled. |
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Select Pairwise Access |
Limits Pairwise voting to the selected roles. Users in other roles can access the Pairwise voting to view the results, but may not vote on ideas. |
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Display "SKIP" Option |
Displays the "SKIP" button on the Pairwise page. |
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Limit number of Pairwise Votes |
A toggle that allows selection of maximum Pairwise votes per user.
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Update |
Saves and applies the current settings.
NOTE It is not possible to change the Pairwise settings after the challenge phase that includes Pairwise voting has started. Settings must be selected before the phase starts.
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Q: How do I configure Pairwise for my challenge?
A: Pairwise can be opened for a single stage in a challenge, using the challenge's Edit Challenge page.
Q: How do I enable Pairwise for ideas in a specific stage?
A: Pairwise can be used to compare ideas in one or more stages, using the “Pairwise Voting” settings link, when configuring your Phases.
Q: What if I want to choose “Skip” when presented with a pairing?
A: Our experience indicates that allowing participants to choose neither may decrease the accuracy of results. However, you can enable the “Skip” button, using the “Pairwise Voting” settings link, when configuring your Phases.
Q: Can I limit who can use Pairwise?
A: Pairwise permissions can be toggled, using the “Pairwise Voting” settings link, when configuring your Phases.
Q: How many pairings do we need to complete before the rankings are accurate?
A: We recommend completing at least 40% of all possible pairings. Use the vote counter or messaging to help drive more votes.
Q. What's the minimum number of ideas for a challenge to enter Pairwise?
A. Pairwise can happen at the early part of a challenge when there are hundreds of ideas, or it can be done towards the end when there are fewer ideas, like 10 or 15. Although it's not common, Pairwise can be done with just two ideas.
For additional reading, refer to this Voting Dynamics PDF.