IBBSSInternational Brass Band Summer School (Swansea University; UK)
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The sample size for the IBBSS was 1,440; 1,586 attended the talk and 1,586 completed the questionnaire.
The sample size for the IBBSS was 700; 787 attended the talk and 774 completed the questionnaire.
Ethical approval to conduct the IBBSS was obtained from the University of the Witwatersrand.
The IBBSS data is a secondary source of data; hence the researchers did not have complete control of the data.