Playing hunger games: Are gamified health apps putting odds in your favor? / Gamification – Des ‘Zombies’ pour vous motiver à prendre soin de votre santé


La ludification («gamification», en anglais) est actuellement très populaire auprès des concepteurs d’applications pour appareils mobiles qui souhaitent profiter du désir de la population de bouger un peu plus.

Des chercheurs de l’université américaine Brigham Young ont décidé de s’intéresser au phénomène, pour tenter de déterminer si le fait d’obtenir une petite médaille à l’écran entraîne vraiment une modification des habitudes de vie.

Les professeurs Cameron Lister et Josh West ont constaté, en analysant plus de 2000 applications de santé et de forme physique, que la majorité d’entre elles comportent une certaine part de ludification.

Ils ont aussi personnellement testé 132 applications comme «Pact» (ceux qui n’atteignent pas leurs objectifs d’entraînement doivent payer ceux qui réussissent), «Fitbit» (des amis compétitionnent les uns contre les autres) et «DietBet» (ceux qui perdent 4 pour cent de leur poids de départ en quatre semaines recoivent de l’argent de ceux qui échouent).

Près de la moitié (45 pour cent) des applications font appel à la pression des pairs. Les autres offrent des récompenses numériques (24 pour cent), des compétitions (18 pour cent) et des palmarès (14 pour cent).

Les chercheurs s’inquiètent de voir la ludification devenir démotivante à long terme. Ils déplorent que les applications ciblent uniquement la motivation des utilisateurs, en laissant passer une occasion de les inciter à changer de façon permanente leurs habitudes de vie.

«Ces applications semblent prendre pour acquis qu’on déteste la santé et qu’on déteste prendre soin de notre corps, alors elles vous offrent de petites récompenses pour vous faire faire ce qu’elles veulent que vous fassiez, a déploré M. Lister par voie de communiqué. Mais en réalité, on devrait intrinsèquement vouloir être en santé et participer à des activités de santé.»

Les conclusions de cette étude sont publiées dans les pages du Journal of Medical Internet Research:

Study breaks down prevalence of apps using game-like rewards to motivate

For many people, finding motivation to exercise is a challenge. Thankfully, there are Zombies chasing you.

At least that’s the approach of Zombies, Run!—one of more than 31,000 health and fitness apps on the market today, and one of the growing number of apps that use games to increase physical activity.

Gamification is currently the popular trend for mobile fitness app makers looking to cash in to help people get fit. Whether or not it’s the best way to exercise remains to be seen.

“It’s just been assumed that gamified apps will work, but there has been no research to show that they’re effective for people long-term,” said Cameron Lister, lead author of a new BYU study on gamified health apps appearing in the Journal of Medical Internet Research. “Does earning a badge on your screen actually change your health behavior?”

Lister, along with BYU health science professor Josh West, analyzed more than 2,000 health and fitness apps and found that the majority of the most popular and widely used apps feature gamification.

As part of their study, the duo also downloaded and used 132 of the apps personally to see how well they worked. In addition to Zombies, Run! they tried out:

  • Pact: An app that pits users against friends to see who keeps their exercise routine. Those who keep their goals make money at the expense of those who don’t.
  • Fitbit: Users can enlist friends to help them reach goals by sharing stats, joining fitness challenges or competing on leaderboards.
  • DietBet: Like Pact, users put their money on the line to keep weight loss goals. Those who lose 4 percent of their starting weight in four weeks earn money from those who don’t.

The researchers are concerned that gamification is ignoring key elements of behavior change and could be demotivating in the long run. For example, over time people can view the rewards and badges on these apps as work instead of play. Once the rewards disappear, the motivation drops.

One suggestion is for the apps to also focus on skill development.

“There’s a missed opportunity to influence healthy behavior because most gamified health apps are only aimed at motivation,” West said. “Motivation is important, but people also need to develop skills that makes behavior change easy to do.”

According to the study, the most common form of motivation in the apps centered on social or peer pressure (45% of apps), followed by digital rewards (24%), competitions (18%), and leaderboards (14%).

“It’s like people assuming that you hate health and you hate taking care of your body so they offer to give you some stuff in order for you to do what they want you to do,” Lister said. “But really, you should intrinsically want to be healthy and be engaged in healthy activity.”

While they found the health games are fun and engaging, West and Lister aren’t sure they can sustain major changes in healthy behavior. They believe more research needs to be carried out in an industry projected to hit the $2.8 billion mark by 2016.

But funding for this type of research is scarce because the technology is so new and developers either don’t have the money or are conflicted about subjecting their apps to scrutiny.

“I would caution developers and users to not have unrealistic expectations about the potential impact of gamified apps,” West said. “Everybody wants to know if they result in more sustainable behavior change but we just don’t know yet.”

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