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A woman sitting on the floor working on sheets of drawing paper beside an open notebook
Psychology

Students copy terms out to learn them, and the honest answer about whether copying works is not encouraging. A memory lab ran seven experiments pitting one instruction against another: draw each word on the list, or write it. Then the authors went after every ordinary explanation for whichever way the result fell. What survived that?

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Drawn words came back better than written ones, in every experiment. The advantage held when encoding time was cut and the lists grew longer, and it held when the drawers and the writers were different people rather than one person doing both. Deep processing, and were each tested on their own, and none of them accounted for the gap.

Copying a term out is the default way students try to fix it in memory, and it is not a strong method. A memory lab asked what one small change to that habit would buy: draw the word instead of writing it.

Seven experiments ran the comparison. People saw a list of words and either drew each one or wrote it out. Then they tried to produce as many as they could, in any order and with no prompts, which is what free recall means. Drawn words won in the first two experiments and kept winning.

The interesting work came next, in ruling out the easy explanations. , the idea that drawing just makes you think harder about meaning, did not account for it. Neither did visual imagery on its own. Neither did picture superiority, the advantage pictures hold over words. Cutting the encoding time and lengthening the lists left the benefit intact. So did comparing separate groups of drawers and writers, which rules out the idea that drawn items merely stood out on a mixed list.

The authors read it as integration: drawing lays down semantic, visual and motor traces of the same item together, and the memory benefit rides on their being bound into one trace. Keep the scope in view, though. These were single words, recalled minutes later, in a laboratory. Whether sketching helps with a dense diagram weeks before an exam is a different question, and this paper does not answer it.

wat. Sketching a word beat copying it across seven experiments, and neither imagery nor depth of processing could explain why.

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Most study advice that survives testing is about retrieval. This one is an encoding trick, it costs seconds, and it beat the thing almost every student already does by default.

How do we know?

Wammes, Meade and Fernandes ran seven free recall experiments, each pitting drawing a word against writing it, and tested elaborative encoding, imagery and picture superiority as rival explanations.

Tested in peoplePeer-reviewed study

What is still unknown

The material was single words recalled minutes later in a laboratory, which is a long way from a diagram of a biological pathway remembered at an exam three weeks on.

Learn something?

Wammes et al., Quarterly Journal of Experimental Psychology· 2016· DOI 10.1080/17470218.2015.1094494

Where to next

Which study habit actually keeps things in memory?memoryWho decides which of today’s memories you still have tomorrow?memoryShould you take notes when watching a lecture at double speed?learning

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