The science behind StudyIn.

02

Retrieve, don’t just reread

Being asked is part of the studying.

Rereading and highlighting notes can make material feel familiar. The problem is that familiarity can be mistaken for understanding. Seeing an answer and being able to produce it yourself are not the same thing.

Retrieval practice works differently.

Instead of seeing the information again, you have to pull it back out of memory.

In a well-known 2006 study, Roediger and Karpicke compared repeated studying with repeated testing. Rereading performed better when students were tested almost immediately. But when the test came days later, students who had practised retrieving the information remembered substantially more.

Karpicke and Blunt later found that retrieval practice also produced greater gains in meaningful learning than elaborative study using concept maps.

That is why StudyIn uses a quiz as the unlock.

After studying, you answer questions from the syllabus you have been working on. You are not simply being asked whether you studied. You have to retrieve some of what you were supposed to learn.

So the quiz is not just a barrier between you and your apps.

The quiz is part of the studying.

04

Keep it challenging

Practice should make you think. It shouldn’t make success impossible.

Making every question easy would give you a very satisfying mastery score. But it would tell you very little about what you need to improve on.

Simply making every question harder is not the answer either. Research into retrieval difficulty suggests that effortful retrieval can benefit later memory when the retrieval is still successful. Make the task too difficult and those benefits can disappear.

Other research has explored adaptive systems that change practice according to what the learner already knows. In one randomised trial, an adaptive spaced-education system achieved comparable test performance while requiring fewer practice items than a fixed system.

StudyIn applies that principle through adaptive difficulty.

Questions are organised across difficulty levels. Consistently answering questions correctly moves you towards more demanding material. If you struggle, StudyIn keeps questions closer to your current level rather than increasing the difficulty too quickly.

The goal is not to make every quiz harder than the last.

It is to keep the difficulty moving with you, so the questions remain challenging enough to be useful without becoming unrealistic.

06

Put the reward on the other side of the work

Vegetables first. Dessert last.

In 1959, psychologist David Premack described a behavioural principle that became known as the Premack Principle.

Put simply: access to something a person is more likely to do can reinforce something they are less likely to do.

It is sometimes called Grandma’s Rule:

Eat your vegetables, then you can have dessert.

Simple in theory. Difficult in practice.

The important part is the reward. It has to be something you genuinely want.

For a lot of students, social media, games and entertainment apps already have that pull. StudyIn uses that existing motivation instead of inventing a points system or another virtual reward.

You choose the apps you want access to. You study. You prove what you learned. Then you earn a window in which those apps are available again.

Study, Quiz, Earn Screen Time

There is a related idea in behavioural economics called temptation bundling. Katherine Milkman and colleagues tested what happened when people could enjoy tempting audiobooks while exercising. Initially, participants given gym-only access to the audiobooks visited the gym considerably more often than the control group.

The underlying idea is this: leverage something you crave to help do the things you know you should do.