Mobile CPD App Kept Canadian Anesthesiologists Engaged for a Full Year

A smartphone-enabled continuing professional development tool called CPD By the Minute drew steady participation from Canadian anesthesiologists over 52 weeks, offering a practical response to a long-standing problem in medicine: clinicians often want reliable self-assessment but have little time, fragmented access to educational content, and limited opportunities to test what they know in a low-pressure setting.

The app delivered two multiple-choice questions each week, each designed to take about a minute, followed by immediate feedback and references. In a profession where knowledge can age faster than clinical habits, this kind of brief, repeated exposure is more than a convenience. It mirrors how memory is strengthened at the bedside: by repetition, correction, and immediate reinforcement rather than by sporadic bursts of study alone.

Participation Held Up Across a Year of Weekly Questions

The study enrolled 105 Canadian anesthesiologists. Most were staff physicians at 89 participants, or 84.8%, while 12 were fellows and four were residents. Over the course of the year, participants completed 110 questions each, with an average completion rate of 75% and a standard deviation of 33%.

A substantial subset engaged very deeply with the app. Forty-three participants, or 40.9%, answered more than 90% of the questions, and 16 participants, or 15.2%, completed every question. For a voluntary educational intervention running over 52 weeks, that level of sustained use suggests more than casual curiosity. It points to a format that fits around clinical work rather than competing with it.

The design matters because CPD often fails on logistics before it fails on content. A question that can be answered in a minute, then revisited with feedback and a citation, lowers the barrier to entry while preserving the core educational function: testing recall, identifying gaps, and tying that gap directly to a source clinicians can later consult.

Physicians Described the Tool as Useful, Practical, and Worth Repeating

Survey responses and interview findings converged on the same message. Among 75 participants who completed the poststudy survey, 52, or 69%, described the app as an effective and valuable resource for practice and continuous learning. Sixty-three of those 75 respondents, or 84%, said they would likely keep using the app as a CPD tool.

The interview data reinforced those numbers with three themes. Clinicians said the app’s practical design made it easy to adopt, that it functioned as a useful knowledge resource for ongoing learning, and that its low-stakes environment encouraged independent learning habits. In plain terms, the tool appeared to work because it asked for a small amount of time while offering a clear educational return.

A low-stakes question format can be more powerful than it first appears. When clinicians know they are not being graded in a punitive way, the cognitive barriers around testing drop. That can make self-assessment feel less like an exam and more like a rehearsal for practice, which is exactly where knowledge has to land if CPD is going to change anything meaningful.

Why Short-Form Questioning Fits Modern Medical Learning

The study was guided by the Reach, Effectiveness, Adoption, Implementation, and Maintenance framework, and that structure aligns well with the educational problem being addressed. CPD works best when it is not only academically sound but also actually usable in real schedules, real clinics, and real call rooms. Anesthesiology is a particularly relevant field for this kind of intervention because its knowledge base is broad, procedural, and constantly refreshed by changing evidence across perioperative care, airway management, pharmacology, and safety protocols.

Question-based learning also has a known educational logic. Retrieval practice strengthens memory more effectively than passive review because it forces the learner to reconstruct information rather than merely recognize it. Feedback then closes the loop, correcting errors before they calcify into habitual misunderstanding. When that sequence is repeated weekly, the educational value comes not from volume but from rhythm.

This study suggests that the app leveraged that rhythm well. Participants were not asked to carve out long blocks of protected time or navigate a cumbersome learning system. They were asked to answer two brief questions each week, review the explanation, and, presumably, return to practice with a sharper sense of what they knew and what still needed work.

What the App Cannot Yet Prove

The findings support feasibility, engagement, and acceptability, but they do not establish that the app changed patient care or altered physician behavior in measurable ways. The study also leaves open the question of durability beyond one year. Sustained use over 52 weeks is encouraging; sustained use over multiple years would be a stronger test of whether the tool can remain relevant as clinical practice evolves.

Long-term sustainability will matter because CPD tools can lose momentum once the novelty fades or the content no longer feels fresh. Question banks also need constant maintenance to stay clinically current, especially in specialties where evidence shifts quickly. A system that relies on manually generated questions may eventually run into limits of scale, topic coverage, and update speed.

The authors pointed to artificial intelligence-based tools as a possible future approach for question generation. That direction is plausible, but it also raises a new set of quality-control issues: question validity, reference accuracy, bias, and the need for clinician oversight. Educational convenience cannot come at the expense of content rigor.

A Year of Weekly Testing Produced Real Uptake, but Practice Impact Still Needs Proof

This study adds weight to a simple premise: physicians are more likely to engage in CPD when it is brief, repeatable, and embedded in the rhythm of work rather than layered on top of it. The app’s structure appears to have reduced the friction that often keeps clinicians from participating in self-assessment, and the high proportion of respondents who valued the tool suggests that brief, feedback-rich questions can still feel worthwhile even in a crowded educational environment.

The next test is more demanding. Future research will need to determine whether this kind of app improves retention over time, changes clinical decision-making, and remains sustainable when the novelty wears off. For now, the study shows that a minute at a time can still command attention if the content is relevant, the feedback is immediate, and the format respects the pace of clinical life.


Reporting by Dr. Clara Evans, DDS, MS, FACS for Medicine World Foundation, with additional data provided by CMAJ.