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8 Results of the piano quality experiment described in [25]: Means with ...
![8 Results of the piano quality experiment described in [25]: Means with ...](https://www.researchgate.net/publication/324901868/figure/fig6/AS:622012640800769@1525310778273/Positive-and-negative-ratings-in-the-piano-quality-experiment-described-in-25_Q640.jpg)