1. Claim Assessment:  Sierra Check prioritizes checking facts over opinions, ensuring that claims are verifiable and distinguished from expressions of personal views or opinions.

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2. Comprehensive Investigation: Sierra Check consults a variety of sources, starting with the originator of the claim. Other sources include public data, thematic experts and relevant authorities to provide a well-rounded fact-checked report.

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3. Multiple Verification Process: Every fact-check undergoes a rigorous multiple-verification process involving at least two fact checkers. This practice helps minimize individual bias, ensuring a more objective assessment. Following the verification, a team lead conducts a final review to guarantee the accuracy and reliability of the fact-checked report.

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4. Transparent Fact-Check Reporting: Sierra Check publishes fact-checked reports based on the evidence available at the time of assessment. The report includes a relevant rating, a detailed narrative, a clear methodology and supporting references or proof, offering transparency in the fact-checking process.

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5. Continuous Improvement: Sierra Check commits to continuous improvement, regularly reviewing and enhancing its fact-checking methodologies to address evolving challenges in the digital landscape.

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Sierra Check's fact-checking methodology ensures a thorough, unbiased and transparent approach to combating misinformation, contributing to a more informed and digitally resilient society in Sierra Leone. Sierra Check values user feedback and integrates constructive input into its processes, fostering an open and dynamic platform that aligns with the evolving nature of misinformation and fact-checking.