Jonathan Berger&#x27;s research is typically cited for this[1] but I haven&#x27;t found the actual publications.<p>[1] <a href="http:&#x2F;&#x2F;www.audioholics.com&#x2F;news&#x2F;kids-prefer-poor-quality-mp3" rel="nofollow">http:&#x2F;&#x2F;www.audioholics.com&#x2F;news&#x2F;kids-prefer-poor-quality-mp3</a>