A new type of hearing aid has been developed to aid patients with hearing difficulties.
A new type of hearing aid has been developed to aid patients with hearing difficulties. Researchers are trying to show that this new hearing aid is superior to conventional hearing aids. Therefore, patients with known hearing difficulties have been recruited, and their baseline hearing was assessed in dB. They were given the conventional hearing aid and the new hearing aid sequentially, with improvement in their hearing recorded for each method.
Which of the following statistical tests is most appropriate?
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