Microlearning keeps a classroom session alive when short, spaced follow-ups ask learners to recall and apply what they were taught, instead of re-sending the slides. A practical pattern is five small touches over about six weeks. Each takes two to five minutes and is built around one decision or fact from the class.
The reasons come from two well-studied ideas, the spacing effect and retrieval practice. Below you get what the original studies found and did not test, a follow-up schedule template, and a table matching each follow-up type to a goal and the tracking it gives you.
Two warnings up front. The schedule timings are a starting point drawn from the direction of the research, not study results. And short follow-ups do not replace practice for complex skills.
Key takeaways
- Spacing and retrieval are the active ingredients. The short format is only how you deliver them cheaply.
- A starting-point schedule is five touches at day 0, 2, 7, 21 and 42, with widening gaps and under 20 minutes of learner time in total.
- Match each follow-up type to a goal: scenario questions for judgment, flashcard-style recall for facts, a manager prompt for on-the-job use.
- Completion shows delivery, not learning. Track first-attempt accuracy over time instead.
- Complex skills still need practice with feedback, which microlearning cannot supply alone.
Why do learners forget a classroom session, and can microlearning help?
Learners lose material after a class unless they use it again, and short follow-ups help when they space the review over time and require recall. Microlearning, meaning short, focused pieces of content, is the delivery format. The active ingredients are spacing and retrieval, which a small follow-up makes cheap to add.
Forgetting itself is well documented. Ebbinghaus charted it in the 1880s with memorized lists, and a 2015 replication in PLOS ONE found a curve closely resembling his original data. That replication used one participant memorizing lists, so read it as evidence that forgetting follows a pattern, not as a number to quote about your learners.
Several top-ranking guides quote exact percentages forgotten after a day. The ones I checked cited a secondary blog or no source, so this post leaves those figures out.
What does the research on spacing and retrieval practice actually show?
Two techniques have strong support: spreading review over time, and making learners recall answers instead of rereading. A large 2013 review of ten learning techniques rated both as high utility. The studies behind them mostly used recall tests, so they guide the design but do not prove any exact schedule.
What does the spacing effect say about when to follow up?
Spacing means splitting review into separate sessions instead of cramming. A 2006 meta-analysis found that the best gap between study sessions depends on how long you need people to remember: the longer the target, the longer the best gap. That is direction for scheduling, not a universal timetable.
The authors of that distributed practice meta-analysis in Psychological Bulletin pooled 839 assessments from 317 experiments in 184 articles. They are open about the limits. The review covers verbal recall tasks, such as word lists and paragraph recall, and the authors say it does not directly address skill learning. Most comparisons used retention intervals shorter than a day, so long-term schedules rest on thinner data.
A 2008 study gives more usable numbers. In a Psychological Science study of optimal gaps, 1,354 people learned obscure trivia facts. They reviewed them after gaps from zero to 105 days, then took a final test 7, 35, 70 or 350 days later. For recall, the estimated best gap was about 3 days for the 7-day test and about 27 days for the 350-day test. As a share of the test delay, the best gap got smaller as the delay got longer.
Read that carefully. Learners had one review session, the answers were five- and six-letter trivia words, and the authors call their fitted model reasonable, not exact. What carries over is the pattern: to be remembered for weeks, the first review should come days after class, and later reviews can sit further apart.
What does retrieval practice add?
Retrieval practice means making learners pull an answer from memory instead of reviewing it again. In a well-known 2006 study, students who took recall tests remembered more after two days and one week than students who restudied, although restudying looked better after five minutes.
That result comes from Roediger and Karpicke’s test-enhanced learning experiments, which used prose passages and free-recall tests without feedback. The same study found that restudying made learners more confident even though it did not produce better delayed recall. For trainers, this is the argument against a “recap” email that repeats the slides. It feels useful and tests nothing.
The 2013 review by Dunlosky and colleagues rated practice testing and distributed practice highest of the ten techniques. Benefits held across ages, abilities and many kinds of tests. It rated rereading, highlighting and summarization low. Those are the habits a PDF recap encourages.
Pro tip: Mine the Classroom for Questions. The best first follow-up questions are the ones learners missed or hesitated on during the session. Jot them down in the last half hour of class. They are cheaper to write than generic questions and they target exactly what the room found hard.
What should a microlearning follow-up schedule look like after an ILT class?
A reasonable starting point is five touches: a commitment at the end of class, then follow-ups at about 2, 7, 21 and 42 days. The gaps widen, each touch asks for recall or application, and the total learner time stays under 20 minutes. Treat the timings as a draft to test.
These timings are our design choice, not research results. They follow the direction of the spacing studies (first review after days, wider gaps later) and a six-week window that is easy to run. A skill used daily may need fewer touches. Material needed in a year, such as an annual safety procedure, may need later ones. You can use the same schedule after classroom or virtual sessions.
| Touch | When | What to send | Format | Learner time |
|---|---|---|---|---|
| 1. Commit | End of class (day 0) | Ask each learner to name one thing they will do differently and when | Last slide, paper card or short form | 2 minutes |
| 2. First recall | Day 2 | Three questions on the hardest objectives, with feedback after each answer | Scenario questions in email, LMS or SCORM quiz | 3 minutes |
| 3. See and decide | Day 7 | A short demonstration of the key step, then one scenario question on it | Video clip of about 3 minutes plus one question | 5 minutes |
| 4. Recall and prompt | Day 21 | Flashcard-style recall of key terms and steps; a note to the learner’s manager with one question to ask | Flashcards or quiz; short email to the manager | 3 minutes |
| 5. Apply and check | Day 42 | A checklist to use on a real task, plus one mixed scenario that revisits earlier material | Checklist and one-question quiz | 5 minutes |
Tell learners about the sequence, with dates, before they leave the room. An unannounced follow-up looks like marketing. If you run pre-work too, the follow-up is its other bookend, and the same objective list can drive both (see pre-work eLearning modules).
Which type of follow-up fits which learning goal, and what can you track?
Pick the follow-up type from the goal, then check what your tools can actually record. Scenario questions suit judgment, video suits modeling a step, checklists suit on-the-job use, flashcard-style recall suits facts, and a manager prompt suits transfer. Each gives different tracking, and none proves performance by itself.
| Follow-up type | Best learning goal | Example | What you can track | Main limit |
|---|---|---|---|---|
| Scenario question | Judgment and decisions | A customer pushes back on a quote; choose the best reply and see why | Option chosen, correct or not, attempts, time (score and response data if your tool supports xAPI) | Shows the learner can pick a good answer, not that they act on it |
| 3-minute video | Showing a step or behavior | The instructor demonstrates the escalation call | Started and finished; SCORM by default reports status, score and time, not how much was watched | Watching is not recall, so pair it with a question |
| Checklist | Applying a procedure at work | Five steps to tick off during a real handover | Self-reported ticks, optional notes | Self-report only; people tick optimistically |
| Flashcard-style recall | Terms, steps, thresholds | “Name the four steps of the intake process” | Right or wrong per item, improvement over repeats | Covers facts and sequences, not skill |
| Manager prompt | Transfer to the job | “Ask your team member to walk you through the new handover” | Whether the manager confirmed the conversation, if you capture a reply | Depends on manager cooperation |
The manager prompt is the least common and often the most useful. A 2011 review of training transfer, Grossman and Salas on what really matters, names four work-environment factors with the strongest, most consistent relationships with transfer: transfer climate, support, opportunity to perform and follow-up. A note to the manager is one way to provide that support, though the review does not single out supervisors or test this exact tactic.
On tracking, be precise about your tools. Plain SCORM reports status, score and time. The xAPI standard can also carry a learner’s response and whether it was correct, plus duration, according to the xAPI statements guide. An email link to a form gives you responses but no completion record. For clips cut from a recorded session, see turning a live session recording into SCORM modules.
How do you know whether your microlearning follow-ups worked?
Compare delayed performance with what learners showed in class. Track first-attempt accuracy per objective at day 2 and again at day 21 or 42, which questions most people miss, and one job indicator a manager can confirm. Completion rates only show that follow-ups were delivered and opened.
A simple cohort log is enough. For each touch, record the response rate and first-attempt accuracy by objective. If accuracy on one objective drops sharply between day 2 and day 21, that objective needs a better explanation or more practice in the room.
Without a comparison group you cannot claim the follow-ups caused improvement. You can report what learners recalled and did, and change the course when a pattern is clear. That beats reporting a high completion rate.
Pro tip: Log First Attempts, Not Final Scores. If learners can retry until they are right, the final score measures persistence. Allow retries so they see the feedback, but store the first answer. The first attempt is the closest thing you have to a delayed recall test.
When is microlearning not enough?
Microlearning is not enough for complex skills, weak classes or work that must be done correctly under pressure. It reinforces recall and prompts application. It does not give the hours of practice with feedback that skills like negotiation, equipment operation or coaching conversations require. The spacing studies above tested recall, not those skills.
Other limits apply too. Each class needs its own question set, so maintenance is a real cost. Response rates can fall over the weeks, and I found no controlled study of this exact five-touch schedule. If learners need an answer during a task, a job aid beats a quiz (see job aids vs eLearning after ILT).
When the target is a skill, use follow-ups to schedule practice, not replace it. A day-21 touch can say “run this role-play with a colleague and report one thing you would change”.
What should you do next?
Pick one upcoming class. Write four to six recall questions from its learning objectives, add one demonstration clip and one manager note, and schedule the five touches. After the first cohort, compare first-attempt accuracy at day 2 and day 21, then adjust the gaps. If you are still deciding what belongs in the room, read blended learning design first.
Disclosure: SimpliAuthor and SimpliTrain are made by the same company as this site. SimpliTrain is an instructor-led training management platform with an LMS. Its page for training companies describes the platform for training providers. Its published notification documentation describes pre-class reminders and instructor notes shared with enrolled learners. I did not test whether it can run a multi-week post-class sequence, so ask about that in a demo.
Frequently asked questions
What is microlearning in training?
Microlearning is training delivered in short, focused pieces, each aimed at one objective. The Association for Talent Development describes it as short pieces of instructional content that support learning and performance. After a classroom session, it usually means brief questions, clips or checklists sent over several weeks to reinforce what was taught.
How long should a microlearning follow-up be?
No research fixes an ideal length. Aim for one objective per touch, which usually means two to five minutes, so learners can finish between tasks. The Association for Talent Development notes that many experts tie length to the learning goal instead of a fixed number of minutes.
How soon after class should the first follow-up go out?
A good starting point is one to two days. Roediger and Karpicke’s 2006 study found testing beat restudying at a two-day delay. In Cepeda and colleagues’ 2008 trivia study, the best gap for a one-week test was about three days. Neither used trainer-led classes, so adjust to your learners.
Can microlearning replace instructor-led training?
Not for most courses. Short follow-ups reinforce what was taught and prompt application. They do not replace the demonstration, discussion and supervised practice a good class provides, especially for complex skills. The research on spacing and retrieval tested recall, so it supports reinforcement more than replacement.
Can I send follow-ups without an LMS?
Yes. Email with a link to a form or quiz tool works for small cohorts, and you can export the responses. You will not get a completion record or xAPI data, and you must schedule each send yourself. An LMS or training platform automates the schedule and keeps the results with the learner.
What is the difference between microlearning and a job aid?
A job aid supports someone while they do a task, such as a checklist or quick reference. Microlearning is meant to build memory through spaced recall before the task. Use a job aid when learners need the answer in the moment, and microlearning when they need to remember it without looking.
How many follow-ups are too many?
I found no researched limit for classroom follow-ups. The sample schedule uses five touches and under 20 minutes of learner time. Watch the response rate. If it falls sharply after the second touch, shorten the sequence or merge touches, and ask a few learners what made it feel like a chore.
