How the Toolkit Was Developed
How the Toolkit Was Developed
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The content was derived from peer-reviewed studies, systematic reviews, and professional guidelines. Literature searches were conducted across databases including WVU Libraries, PubMed, ASHAWire, Google Scholar, and Google, using targeted keywords such as DTTC, PROMPT, ReST, AAC, and CAS treatment (see Figure 1). Articles were screened for relevance, and only empirical, peer-reviewed intervention studies were included. Reviews, protocols, and non-empirical sources were excluded.
Figure 1. Literature search and selection procedures for CAS treatment approaches.
Figure 1.
Table 1. Evidence Quality Across CAS Treatment Approaches
Note. Evidence levels are based on the hierarchy (1a-4) described by AudiologyOnline (2018), adapted from the Oxford Centre for Evidence-Based Medicine. Source: AudiologyOnline. (2018). What are levels of evidence? https://www.audiologyonline.com/ask-the-experts/what-are-levels-of-evidence-208
Table 2. Quality Rating Criteria
Note. Quality ratings reflect overall strength and consistency of research for each approach, determined using indicators from AMSTAR-2, Risk-of-Bias, and prior literature reviews on CAS treatment evidence.
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