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Case · All × Return ("why we measure")

Penn STEP UP: competition beat support and collaboration

A Penn Medicine randomized trial gave 602 adults wearables plus a game with points, levels and loss-framed scoring, in support, collaboration or competition arms. Competition added the most steps (+920 a day vs control) and was the only arm still ahead after the game ended.

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The outcome · 2019

During the 24-week intervention: competition +920 steps a day vs control, support +689, collaboration +637. In the 12-week follow-up only competition stayed significantly ahead (+569). Patel et al., JAMA Internal Medicine, Sept 2019.

Case grade for the number: A. Evidence grade for the mechanism link: A.
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Stage cell: All × Return ("why we measure").

What they did. STEP UP randomized 602 adults with a BMI of 25 or more across 40 US states to a wearable-only control or one of three gamified arms for 24 weeks, then followed them for 12 more. The game used points and levels, with points granted up front and lost for missed goals.

The mechanism. Status points and levels GT#1 (Actionable Gamification Ch.6, p.116) with loss-framed scoring INF-T-SC-08 (Influence Ch.7, p.179), plus a social structure: a sponsor (support), a team that shared a goal GT#22 (Actionable Gamification Ch.9, p.219), or a three-person weekly leaderboard GT#3 (Actionable Gamification Ch.6, p.119). Meta-analyses of gamification and feedback set realistic expectations for effects like these F23 (Effects of feedback interventions on performance, Kluger & DeNisi, Psychological Bulletin, 1996).

The outcome. +920 steps a day vs control (2019) for competition Case grade A. From a regulator, a public filing or a peer-reviewed study.; support +689 and collaboration +637. In the 12-week follow-up, with no game running, only competition stayed significantly ahead (+569 a day).

What it means at your stage. Social structure plus loss-framed progress beats a tracker alone, and the type of social structure matters. Test the social frame as a variable, and keep a follow-up window to see what lasts after the game stops.

Caveats. Adults with overweight or obesity, recruited through one employer across 40 states, in a research setting. Mechanism link Evidence grade A. Robust evidence: replicated, peer-reviewed research. (a follow-up paper attributes much of the effect to loss aversion).

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The techniques behind it

Each one is a starting point, not a recipe. Gamify It turns a technique into an experiment card for your product: the change, the metric, the guardrail and how long the test needs at your traffic.

  • TechniqueEvidence grade D. Practitioner framework or anecdote: plausible, untested.

    Status Points (GT#1)

    progress score

    A score that rises with meaningful actions, telling the system how close each user is to a Win-State and telling the user where they stand. The point values themselves announce what the product cares about, so weight them by what matters to the user.

  • TechniqueEvidence grade D. Practitioner framework or anecdote: plausible, untested.

    Leaderboards (GT#3)

    near-peer rankings

    Rank users on criteria tied to the Desired Action, but in a form where most people can still win: neighbors just above and below, team boards, boards that reset weekly, or boards limited to friends or a similar cohort. Always show the action that moves the user up.

  • TechniqueEvidence grade D. Practitioner framework or anecdote: plausible, untested.

    Group Quests (GT#22)

    goals that need group participation

    A Win-State no single user can reach unless enough of the group takes part, such as a deal that activates at 200 buyers or a feature that unlocks when a set number of teammates are active. It requires participation, not just an invite click.

  • TechniqueEvidence grade C. Limited evidence: few or small studies.

    Honest loss framing

    show what the user would lose

    When a real loss is at stake, frame the message around it: "$210 in credits expire on June 30; apply them to your next invoice", "On the free plan, 14 of your projects would become read-only." People respond more to a possible loss than to an equal gain, but only true, specific losses hold up.

Limits

What we don’t claim

  • Octalysis is a practitioner framework built from observing games, not a validated scientific model.Actionable Gamification Ch.15, pp.399-400
  • No success is attributed to a single technique: real outcomes have many causes.
  • Company names are used editorially; no endorsement is implied.

Sources

Source IDs: CASE-M24GT#1GT#3GT#22INF-T-SC-08F23

Book content is paraphrased, never quoted at length. Last verified October 24, 2026.

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