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study tipsmemorySeptember 6, 20255 min read

Concrete Examples: Making Abstract Ideas Stick

By the BrainSnail editorial team. How these articles are written and checked, and how to tell us when one is wrong.

Some ideas float away the moment you meet them. Supply and demand, inertia, natural selection. You read the words, nod along, and an hour later you cannot explain a single one. The problem is rarely you. Abstract ideas are simply hard to grab, and a good example gives your hand something to close around.

Why abstract ideas slip away

An abstract idea is a rule with no picture attached. Your brain loves pictures, stories, and things it can almost touch. When an idea has none of those, there is nothing to store it next to, so it drifts.

A concrete example fixes this. It anchors the idea to something real, like a busy market, a rolling ball, or a moth that blends into bark. The idea and the picture get filed together, and later you can pull one to find the other.

What makes an example good

Not every example helps. The best ones are specific, familiar, and clearly show the idea in action. Vague or made-up examples add clutter without a hook.

A strong example usually does a few things well:

  • It is something you have actually seen or done.
  • It shows the idea working, not just a definition dressed up.
  • It is simple enough to picture in one breath.
  • It stays close to the real meaning, so it does not mislead you later.

Collect your own examples

The examples you invent stick far better than the ones you are handed, because you had to do the work of connecting them. When you meet a new idea, pause and ask, where have I seen this before?

Keep a running list. When you learn that friction slows things down, jot down the way a bike coasts to a stop. When you learn what a metaphor is, catch one in a song you like. Over time you build a small personal museum of examples, and each new idea has a shelf waiting for it. A quick daily quiz can nudge you to recall those examples, which quietly strengthens them.

Several examples beat one

One example is dangerous, because it can be mistaken for the rule. A student who only ever meets inertia as a rolling ball may quietly conclude that inertia is about balls, and be lost when it turns up as a passenger lurching forward in a braking car. The idea and its one example have fused.

Several different examples fix this. When you have seen inertia in a ball, a car, a tablecloth pulled from under the plates and a satellite that keeps orbiting, what they share stands out and what they do not share falls away. That is abstraction done properly: the rule extracted from cases, rather than the rule memorised and one case bolted on.

Practise in both directions

Given a rule, find an example. Given an example, name the rule. These are different skills and the second is the one tests and real life demand, because you meet the situation, not the definition. Nobody tells you a question is about opportunity cost; you have to recognise that it is.

So when you collect examples, occasionally run the exercise backwards. Take a page of your own examples, cover the labels, and say which idea each one shows. Where you hesitate, the idea and the example are still stored separately, and that is the pair to work on.

The takeaway

Abstract ideas do not have to stay slippery. Attach each one to a real, specific example, and better still, one you found yourself. Give the idea something to hold onto, and it will hold onto you.

Practise this

Questions from Memory

Reading about something is not the same as being able to recall it. These are real questions from the Memory unit in our Psychology track, answers and explanations included. The unit has 120 in total across 23 steps.

  • Match the pairsLevel 3

    1. Match each cause of forgetting to an example.

    Answer: Decay = A memory fades from years of not using it; Proactive interference = Old info blocks new info; Retroactive interference = New info blocks old info; Cue-dependent forgetting = You cannot find the right trigger

    Decay is fading over time, interference is memories clashing, and cue-dependent forgetting is a missing trigger.

  • Sort into groupsLevel 2

    2. Sort each study habit by whether it helps or hurts memory.

    Answer: Spacing out your review = Helps memory; Getting enough sleep = Helps memory; Cramming all night = Hurts memory; Studying with lots of distractions = Hurts memory

    Spacing and sleep strengthen memory, while cramming and distraction weaken it.

  • Fill the blankLevel 2

    3. A memory of something that did not really happen is called a ____ memory.

    • falsecorrect
    • true
    • sensory
    • short

    A false memory feels real but is of an event that did not actually happen that way.