Does music impede studying and thinking?
We like music but does it help or harm cognitive performance when we have music playing all the time?
Note this is a different question from the Mozart effect in that the Mozart-effect studies usually test performance after listening to classical music, while we’re interested in performance during listening to all kinds of music; the Mozart effect has been largely debunked (no/small effect) but that doesn’t tell us much about during music (it could be performance fell during listening and recovered afterwards when tested).
Current best meta-analysis: “The impact of background music on adult listeners: A meta-analysis”, et al 2011?
“Spherion Survey: Workers Say Listening to Music While Working Improves Job Satisfaction, Productivity; Nearly one-third of adult workers listen to music at work using an iPod, MP3 player or similar personal music device”
https://web.archive.org/web/20120604083935/http://hr.blr.com/HR-news/HR-Administration/Communication/Workers-Say-Listening-to-Music-Boosts-Job-Satisfac/ http://www.musicworksforyou.com/research/research-topics/8-productivity http://www.musicworksforyou.com/research/research-topics/10-branding https://digital.library.txstate.edu/bitstream/handle/10877/5483/Thesis%20Final1.pdf?sequence = 1 The effects of music on mood, anxiety, and job satisfaction: self-reports from occupational workers “The myths of the digital native and the multitasker”, Kirschner & De 2017
In lab studies, people who listen to music they like, generally perform better at mental tasks afterwards, an effect that’s been attributed to boosts in mood and arousal. But what about the effect of background music that plays on during a task - more akin what we do in real life? This is actually less studied. The traditional mood-arousal literature would predict it to be beneficial too, especially if the music is to the listener’s taste.
However, there’s another line of research, known as the “Irrelevant Sound Effect”, that’s all about the way background sounds can interfere with our short-term memory for ordered lists, which would be a bad thing for many work-related tasks. These studies show that the distraction is greater when the sound is more acoustically varied - just like your typical pop song. Based on this, Nick Perham and Martinne Sykora made a counter-intuitive prediction - background music that you like will be more detrimental to working memory than unappealing music, so long as the liked music has more acoustical variation than the disliked music.
Twenty-five undergrads completed several serial recall tasks. They were presented with strings of eight consonants and had to repeat them back from memory in the correct order. Performance was best in the quiet condition, but the key finding was that participants’ performance was worse when they completed the memory task with a song they liked playing over headphones (Infernal’s “From Paris to Berlin”), compared with a song they disliked (songs such as “Acid Bath” from the grind core metal band Repulsion). In case you’re wondering, participants who liked Repulsion were excluded from the study.
Particularly relevant, since people like to claim their favorite music “helps them focus” (especially if it’s vocal? per the irrelevant speech effect):
A further intriguing detail from the study is the participants’ lack of insight into the degree of distraction associated with each type of music. Asked to judge their own performance, they determined correctly that their memory was more accurate in the quiet condition, but they didn’t realise that their performance was poorest whilst listening to the music they liked.
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