How to Read and Write Simultaneously

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Classic attentional training study hints at our considerable potential to multitask.

The mind has a remarkable ability to focus attention on just one voice from a chorus (see: the cocktail party effect). But what about spreading our attention across different types of tasks? A classic 1976 study which taught two people to read and write at the same time hints at our considerable potential to multitask.

Professor Elizabeth Spelke and colleagues at Cornell University wanted to know whether we can really divide our conscious attention between two demanding tasks, like reading and writing. To find out they recruited two participants willing to put in 29 hours of practice over a 6 week period: Diane and John were their volunteers (Spelke, Hirst & Neisser, 1976).

Before the training Diane and John’s normal reading and comprehension rates were measured, so it could be compared with post-training. Then Spelke and colleagues set about their three-phase training regime.

Phase 1: Simultaneous reading and writing.

The first step was to get Diane and John reading and writing at the same time. To do this they read short stories by authors like Katherine Mansfield at the same time as writing down a list of words being dictated to them. Afterwards the experimenters checked their story comprehension and memory for the list of words. This procedure was continued throughout all three phases of the study.

Naturally when Diane and John first tried to multitask their reading speed, comprehension and memory all deteriorated. But surprisingly, after six weeks, they could read just as fast and with the same level of comprehension whether or not they were also taking dictation at the same time. They also often recognised more than two-thirds of the dictated words.

There is a problem with this study so far though: it’s possible that Diane and John weren’t really multitasking but had just leant to take dictation automatically and unconsciously. Spelke and colleagues knew they had to push Diane and John harder.

Phase 2: Detecting structured sub-lists

Over the next few weeks Spelke and colleagues tested Diane and John’s higher-level awareness of the dictated lists. Instead of dictating relatively unrelated words, patterns were now surreptitiously inserted into the lists, sometimes whole sentences.

Without forewarning Diane and John found these difficult to spot, but once told to search for the patterns they started noticing rhymes, categories of words and even sentences. Although still missing a few, they did spot many of the patterns the experimenters hid in the sub-lists.

Remember that this is all at the same time as reading an unrelated story at their normal speed and level of comprehension. In this second phase the participants’ multitasking is even more impressive and it’s harder to argue that the dictation has become automatic and unconscious because Diane and John could spot many of the patterns.

Phase 3: Reading while categorising words

In the third and final phase Diane and John were asked to just write down the category to which the words belonged rather than the words themselves. Again, their reading speed initially dropped when they were given this new task, but soon, with practice, it was back up to its original level.

After the 16 weeks of the study it seemed that both Diane and John could categorise lists of words and write down the name of the category at the same time as reading, and understanding, a sophisticated and completely unrelated short story.

Not only that but their reading speed and comprehension of the short story was unaffected compared with their pre-training tests. Quite an impressive feat of attention.

What does this mean?

Not everyone accepts that what Diane and John were doing was really multitasking. Here are some of the objections:

  • One of the tasks became automatic and therefore unconscious.
  • Similarly, people have complained the tasks weren’t hard enough: reading and writing are already highly practised skills.
  • Diane and John were learning to switch their attention from one task to the other very quickly, not focus on both at the same time.
  • Two people is a very small sample size!

These are all good points, but ultimately there’s still an impressive human performance here that requires explanation. Whether or not Diane and John were really multitasking, the research certainly implies that we can train our attention to carry out two sophisticated tasks which require conscious deliberation at the same time.

This is more than just simultaneously talking and driving, or patting the head while rubbing the stomach: both reading and writing involve relatively deep processing of similar types of linguistic information. Spelke and colleagues were clearly very impressed with Diane and John’s new abilities and they suggest there may be no limits to training human attention, perhaps even no limits to our general cognitive capacity. All we need is some creativity along with plenty of time and practice.

About the author

Psychologist, Jeremy Dean, PhD is the founder and author of PsyBlog. He holds a doctorate in psychology from University College London and two other advanced degrees in psychology.

He has been writing about scientific research on PsyBlog since 2004. He is also the author of the book “Making Habits, Breaking Habits” (Da Capo, 2003) and several ebooks:

Kayode Ojo
Kayode Emmanuel Ojo is the Co-Founder and Managing Director at SHEFFA Limited. He is presently studying Computer Science at the National Open University, Victoria Island, Lagos.