There may some placebo effects that could potentially impact outcomes of both self-report and havioral outcomes (Dawes et al., 2013). This highlights a ne for studies that also include more objective outcomes like electrophysiological markers to examine non-subjective nefits of these devices and associat service delivery models (Glick & Sharma, 2020). Table 1 frontiersin TABLE 1. Controll trials (complet and on-going) on OTC hearing aids and service delivery models. 2.3 Outstanding research questions about OTC hearing aids and service delivery models There is an immiate ne for research on all aspects of OTC hearing aids including hearing device characteristics, service delivery models, the user and the complex interaction tween these three domains.
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The following are some aspects that we think are highly relevant and timely to inform hearing healthcare policy, clinical care, industry decisions and increase much-ne hearing aid uptake. The key question during the last decade whether OTC hearing aids provide measurable nefit to users. This question continues to important but since devices are China Email List already available on the marketplace through a regulatory framework (requiring FDA non-inferiority trials for self-fitting OTC hearing aids), other pressing questions should prioritiz. Important questions should consider for whom OTC devices and respective service delivery models work and what the prictors of success are. We outline some specific questions low: Hearing devices relat.
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What is the range in electroacoustic characteristics of OTC hearing aids that are currently on the market and how many of them are appropriate for individuals with mild-to-moderate hearing loss? ⁃ How effective are self-fitting algorithms in personalizing hearing aid gain for individual users when compar to the gold standard prescription targets (NAL-NL2) bas on pure tone audiometry thresholds? Also, is there a difference in different self-fitting methods (e.g., in-situ audiometry-bas fitting vs. direct methods)? ⁃ Is there a difference in outcomes tween pre-set vs. self-fitting OTC hearing aids? ⁃ What are the outcomes of OTC hearing aids that are TH Lists currently available when compar to prescription hearing aids (e.g., Swanepoel et al., 2023) as well as other type of DTC hearing devices such as PSAPs or hearables.