Your daughter gets “cow” right five times in a row. Does she know what a cow is now? Maybe. Or maybe the cow photo was the biggest one, or it always appeared on the same side, or she simply got lucky. This is the hardest question in early learning: telling correct answers apart from knowledge. And it’s exactly the question Interlaza is designed to answer for you.
Why percentages mislead
Most educational apps give you a number: “85% correct”. Sounds good, but it tells you almost nothing:
- It doesn’t distinguish between answering with help and answering without it.
- It doesn’t distinguish between the first time a child sees a concept and the fortieth.
- And above all: it doesn’t tell you whether they’ll remember it tomorrow.
An 85% can be a child who has mastered the material and got distracted twice, or a child who’s guessing with good luck. Same number; opposite realities.
What Interlaza does instead
Interlaza doesn’t count correct answers — it estimates how confident we can be that a concept is truly learned, and it only marks a concept as mastered when that confidence is very high: above 95%. To get there, it weighs things a percentage ignores:
- Whether the answer came with or without help. At the start, the wrong options appear faded (that’s errorless learning). Getting it right in that phase counts — but it counts differently than getting it right when all the options look the same.
- Consistency, not streaks. Five correct answers today weigh less than correct answers spread across several days and different kinds of exercises.
- Whether it survives time. The learning pathway includes review exercises that come back to “learned” concepts days later, with memory games and variations. If the concept reappears and still comes out right, that’s knowledge. If it slips, the app quietly moves it back to practice — no drama, and no decision required from you.
In short: the app treats learning as what it is — something to be verified, not something declared after one good afternoon.
Where you see it
None of this requires you to interpret charts. The Progress tab shows it in two plain-language lists:
- Mastered: concepts the app has verified several times, with time in between.
- Still practicing: concepts on their way. That’s not bad news — it’s simply where the work is right now.
Plus the weekly summary: minutes practiced, comparison with the previous week, and what was worked on. Thirty seconds of reading, zero spreadsheets.
”Still practicing” doesn’t mean “doing badly”
This deserves its own section, because it’s the worry we hear most. A concept sitting in practice for two weeks doesn’t mean something’s wrong. Some concepts click in two days and others need twenty repetitions spread over a month — that’s normal for any child, with or without learning difficulties. What matters isn’t speed, it’s direction. If the mastered list grows month over month, the system is working.
And if a concept stays stuck for a long time? The app notices that too: it lowers the difficulty, changes the type of help, and mixes it with material the child already masters so the session doesn’t turn into an uphill climb. All of that happens on its own, without you touching anything.
When you need to show someone else
If your child also works with an Instructor, or you want to bring something to school, you can download a PDF progress report straight from the app. It’s the same data you see, presented so a professional can read it in detail.
Honest measurement has an uncomfortable side: sometimes it tells you something isn’t learned yet when it looked like it was. But that’s precisely what makes it valuable — when Interlaza tells you your child has mastered a concept, you can believe it.