Gamification in study: consistency, accuracy, speed
Every study game makes a silent choice: what deserves points. Playing every day? Getting it right with little information? Answering fast? Each choice pulls the student toward a different behavior, and knowing what the scoring rewards helps you use the game to your advantage.
NEXO is a daily medical diagnosis game: one clinical case a day, six progressive clues, and ICD-10 proximity feedback across five levels.
This guide organizes gamification into three study behaviors, consistency, precision and speed, summarizes what the research says about each one and shows how to balance the three.
Main points
- A points system communicates what the game values; it is worth reading the scoring as a map of behaviors.
- Consistency: questions spaced out over weeks kept knowledge stable in residents.
- Getting it wrong is part of learning: trying to solve before instruction prepared better for learning new content.
- Precision: a short game about diagnostic probability improved the accuracy of students, residents and physicians in a pilot trial.
- Speed: the quickness that comes from knowledge goes along with getting it right, and imposed haste tends to reduce it.
Summary
- Three study behaviors
- Consistency: coming back every day
- Precision: reaching the diagnosis with less data
- Speed: deciding against the clock
- How to balance the three
- Where each one appears in NEXO
- Frequently asked questions
- Checklist to use the scoring to your advantage
Three study behaviors
A review of games and multimedia in medical education describes possible advantages of games, such as engagement, quick feedback and clinical decision without risk to the patient (McCoy et al., 2016). For the student, the practical question is narrower: what behavior does each point encourage?
Three behaviors cover almost everything a clinical case game can reward:
- Consistency: returning to study regularly.
- Precision: reaching the right diagnosis with the information that is enough.
- Speed: deciding well when time is short.
The guide to gamification in medical education summarizes the general evidence; here the focus is what each type of reward stimulates.
Consistency: coming back every day
A little every day pays off
In a trial with urology residents, one group received one or two questions a day, in a spaced pattern, over 27 weeks, and another received all the material at once (Kerfoot et al., 2007). The scores of the spaced group stayed stable on tests taken up to 14 weeks later, while those of the other group fell linearly (Kerfoot et al., 2007). Rewarding daily participation is rewarding that pattern. The guide to spaced repetition shows how to set it up.
Getting it wrong also counts
In a trial with 40 first-year pharmacy students, one group tried to solve the problems before receiving instruction and another received instruction directly (Steenhof et al., 2019). The two groups were similar on the acquisition and application tests, and the group that tried first did better on the test of readiness to learn new content (Steenhof et al., 2019).
In a classroom study, errors made with high confidence were corrected more often after feedback than errors made with low confidence, the so-called hypercorrection effect (Carpenter et al., 2018). Together, the studies suggest that trying, getting it wrong and seeing the answer is part of the path, and that a scoring that values the effort of answering fits with that. The guide to the error notebook shows how to record what each mistake teaches.
Precision: reaching the diagnosis with less data
What precision rewards
Precision, in a case game, is getting it right with the information that is enough: neither closing too early, nor waiting for all the data for any condition. Rewarding the correct answer that comes early values recognition organized in memory.
A game that trained accuracy
In a randomized pilot trial with 90 participants, among students, residents and physicians, a 45-minute training in game format was compared with common educational material (Morgan et al., 2024). Right after the training, the mean diagnostic accuracy score was 59.4 in the game group versus 37.6 in the control, and the advantage was still present after one month (Morgan et al., 2024). The game was about estimating the probability of disease after a test result.
Precision is not haste
The differential diagnosis guide shows how each clue can be read as a test. The accuracy worth having is that of someone who asks for the right data, not that of someone who guesses early.
Speed: deciding against the clock
The quickness that comes from knowledge
Among Canadian recent graduates, those who diagnosed faster were more often correct, with a correlation of -0.54 between response time and correctness (Sherbino et al., 2012). Speed, there, went along with experience with each diagnosis.
The haste that cuts hypotheses
In internal medicine residents, telling them they were running late reduced the average correctness score from 0.51 to 0.33 (ALQahtani et al., 2016). In a second experiment, time pressure reduced the number of alternative hypotheses considered, and that was one of the paths to the drop in correctness (ALQahtani et al., 2018).
The useful reading for the student: training with a clock pays off more on topics you already recognize, and choosing your own level of pressure lets you use time as a test, not as a trap.
How to balance the three
Consistency as a base
Ensure regularity first. One case a day, every day, sustains the other two behaviors.
Accuracy on topics under construction
On topics that still require study, play without rushing and look for the data that separates the hypotheses. The goal is to be correct, not to be correct early.
Speed on solid topics
On topics you already recognize, increase the pressure. If correctness holds, recognition is ready; if it drops, go back to the pace without a clock.
Read the error as data
Each error shows where knowledge is not yet organized. Record it, review the explanation and return to the topic.
Where each one appears in NEXO
In NEXO, scoring reflects the three behaviors.
- Consistency: playing the case of the day earns participation points even when the diagnosis does not come, which values coming back every day and treating the error as part of the training. The streak and the record, on the home screen, show that regularity.
- Accuracy: the case arrives in up to six clues, and the score for a correct answer is higher the earlier it comes. Proximity in ICD-10 across five levels, with each guess, shows how close the hypothesis came.
- Speed: in Adrenaline, you choose the dose before the case. The low dose gives 5 minutes and the area and ICD range aids; the medium dose gives 3 minutes and the area aid; the high dose gives 1 minute, with no aids. The reward grows with the dose because the difficulty increases, with less time and fewer aids.
How each mode is unlocked is on the NEXO economy page. To get to know the game, read what NEXO is.
If you coordinate a medical school, a student league or a residency program and want to use the same case with the class, learn about NEXO Closer. Researchers who study gamification and learning can propose studies through NEXO Researcher. Physicians who review cases in their specialty take part through NEXO Curator, and those who create health content on social media can take part through NEXO Creators.
Frequently asked questions
What should a study game reward?
It depends on the goal. Consistency, accuracy and speed are three useful behaviors, and McCoy's review describes engagement and quick feedback among the possible advantages of games (McCoy et al., 2016).
Does it make sense to earn points for getting it wrong?
Research values the effort of answering: trying to solve before instruction prepared better for learning new content (Steenhof et al., 2019), and errors made with high confidence were corrected more often after feedback (Carpenter et al., 2018).
Does playing against the clock help?
The speed of those who know the picture went along with correctness (Sherbino et al., 2012), and imposed haste reduced residents' correctness (ALQahtani et al., 2016). Use the clock on solid topics.
Why does the Adrenaline reward grow with the dose?
Because the difficulty increases: each dose gives less time and fewer aids than the previous one.
Can a game improve diagnostic accuracy?
In a pilot trial, game-format training improved accuracy in estimating probability of disease (Morgan et al., 2024).
Checklist to use scoring in your favor
- Play every day, even on short days.
- Treat the error as data and review the explanation.
- Look for the data that separates the hypotheses before taking a risk.
- Play without rushing on topics under construction.
- Turn up the pressure on solid topics.
- Go back to the untimed pace when your accuracy drops.
- Look at your streak and your distribution by clue once a week.
Want to balance consistency, precision and speed? Play the case of the day on NEXO.
References
- McCoy L, Lewis JH, Dalton D. Gamification and Multimedia for Medical Education: A Landscape Review. J Am Osteopath Assoc. 2016. https://pubmed.ncbi.nlm.nih.gov/26745561/
- Kerfoot BP, Baker HE, Koch MO, et al. Randomized, controlled trial of spaced education to urology residents in the United States and Canada. J Urol. 2007. https://pubmed.ncbi.nlm.nih.gov/17382760/
- Steenhof N, Woods NN, Van Gerven PWM, Mylopoulos M. Productive failure as an instructional approach to promote future learning. Adv Health Sci Educ Theory Pract. 2019. https://pubmed.ncbi.nlm.nih.gov/31089856/
- Carpenter SK, Haynes CL, Corral D, Yeung KL. Hypercorrection of high-confidence errors in the classroom. Memory. 2018. https://pubmed.ncbi.nlm.nih.gov/29781391/
- Morgan DJ, Scherer L, Pineles L, et al. Game-based learning to improve diagnostic accuracy: a pilot randomized-controlled trial. Diagnosis (Berl). 2024. https://pubmed.ncbi.nlm.nih.gov/38284830/
- Sherbino J, Dore KL, Wood TJ, et al. The relationship between response time and diagnostic accuracy. Acad Med. 2012. https://pubmed.ncbi.nlm.nih.gov/22534592/
- ALQahtani DA, Rotgans JI, Mamede S, et al. Does Time Pressure Have a Negative Effect on Diagnostic Accuracy? Acad Med. 2016. https://pubmed.ncbi.nlm.nih.gov/26826069/
- ALQahtani DA, Rotgans JI, Mamede S, et al. Factors underlying suboptimal diagnostic performance in physicians under time pressure. Med Educ. 2018. https://pubmed.ncbi.nlm.nih.gov/30302783/