Ask people their learning style and most will answer visual or auditory, which makes this the split worth handling carefully. The preferences behind it are real — people genuinely differ in what they reach for — but the conclusions usually drawn from them are not, and the most common one, avoiding formats that do not match your label, actively costs you. Here is the useful version.
What a Visual Preference Describes
Someone with a visual preference wants structure made spatial. Faced with a complicated process they draw the boxes and arrows; faced with a comparison they build a table; faced with a document they look for the diagram first. Relationships become legible to them when laid out rather than described in sequence.
What is doing the work there is often not the seeing but the making. Converting a linear explanation into a spatial one requires deciding what connects to what, and that decision is the understanding. This is why drawing your own diagram beats studying someone else's, for visual and non-visual people alike.
What an Auditory Preference Describes
An auditory preference shows up as wanting things talked through — the explanation, the discussion, the argument out loud. People with it commonly report that reading a passage three times does less than saying it once to someone else, and they often talk to themselves while working through a problem.
Again the mechanism generalises. Explaining aloud from memory is retrieval practice plus elaboration, two of the best-evidenced study techniques there are, and they help regardless of stated preference. The preference explains who does this spontaneously; it does not explain why it works.
Where the Distinction Genuinely Matters
It matters for what you will keep doing. Study methods only work if you use them, and people abandon formats they find unpleasant. If audiobooks mean you finish books you would otherwise leave unopened, the preference has produced a real gain — through persistence, not through any special encoding advantage.
It also matters for how you handle a fixed format you cannot change. A lecture-heavy course does not become optional because you prefer diagrams; the move is to translate as you go, which is more effective than passive listening for everyone.
Where the Material Decides Instead
Some content has one honest modality. Learning to pronounce a language requires hearing and producing sound; no diagram substitutes. Learning a coastline, a circuit or an organisational structure requires seeing spatial relationships; no description substitutes. Learning to perform a procedure requires performing it.
This is the strongest practical argument against style-matching. If the content dictates the format, then matching to the learner means teaching some people badly on purpose — which is exactly what the crossover studies in do learning styles actually work failed to find any benefit for.
The Version Worth Keeping
Treat the label as a note about comfort and motivation rather than a rule about capability. Use your preference to pick between genuinely equivalent options and to make hard material bearable enough that you continue. Do not use it to rule formats out, and do not conclude that a subject is closed to you because it arrives in the wrong shape.
Then choose your actual study methods on the evidence, which points at retrieval, spacing and interleaving rather than at modality. The learning style test gives you the description; how to study without learning styles gives you the methods.