Author: Christian Jarrett / Source: Big Think
Given how many of us listen to music while studying or doing other cerebral work, you’d think psychology would have a set of clear answers as to whether the practice is likely to help or hinder performance. In fact, the research literature is rather a mess (not that that has deterred some enterprising individuals from making bold claims).
There’s the largely discredited “Mozart Effect” – the idea that listening to classical music can boost subsequent IQ, except that when first documented in the 90s the effect was on spatial reasoning specifically, not general IQ. Also, since then the finding has not replicated, or it has proven weak and is probably explained as a simple effect of music on mood or arousal on performance.
And anyway, that’s about listening to music and then doing mental tasks, rather than both simultaneously. Other research on listening to music while we do mental work has suggested it can be distracting (known as the “irrelevant sound effect”), especially if we’re doing mental arithmetic or anything that involves holding information in the correct order in short-term memory.Now, in the hope of injecting more clarity and realism into the literature, Manuel Gonzalez and John Aiello have tested the common-sense idea that the effects of background music on mental task performance will depend on three things: the nature of the music, the nature of the task, and the personality of the person. “We hope that our findings encourage researchers to adopt a more holistic, interactionist approach to investigate the effects of music (and more broadly, distractions) on task performance,” they write in their new paper in Journal of Experimental Psychology: Applied.
The researchers recruited 142 undergrads (75 per cent were women) and asked them to complete two mental tasks. The simpler task involved finding and crossing out all of the letter As in a sample of text. The more complex task involved studying lists of word pairs and then trying to recall the pairs when presented with just one word from each pair.
Each task was performed while listening to one of two versions of a piece of elevator-style instrumental music – composed for the research – or no music. One version of the music was more complex than the other, featuring additional bass and drum tracks (both versions are available via the Open Science Framework). Also, depending on the precise experimental condition, the music was either quiet or louder (62 or 78 decibels). The participants also completed part of the “boredom proneness scale” to establish whether they were the kind of person who likes plenty of external stimulation or not (as measured by their agreement with statements like “it takes a lot of change and variety to keep me really happy”).
Participants’ performance was explained by an interaction between…
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