I have two weeks to finish a systematic review and can’t tell which sources are truly credible?

You’ve got the right idea by looking for peer‑reviewed, high‑impact work, but you don’t have to read every abstract in depth to decide what belongs in your review. Start by narrowing the pool with a two‑step filter: first, limit the search to the journal’s “article type” – choose only original research, systematic reviews, or meta‑analyses and exclude editorials, letters, and conference abstracts. Most databases let you tick a “peer‑reviewed” box, so turn that on. Second, sort the results by citation count or by the journal’s impact metric and keep only the top 20‑30 hits that are most relevant to your specific question. Those are the papers that the field has already flagged as influential. Now skim each of those remaining titles and abstracts with a quick checklist: does the study have a clear hypothesis, a defined sample size, and a transparent methods section? Are the outcomes measured with validated tools? If you can answer “yes” to those three points, you’ve got a solid candidate. Pull the full text for just those papers, read the methods and results sections, and note any red flags (tiny sample, no control group, or vague statistical reporting). By focusing on a short, high‑quality shortlist, you’ll stay within your word limit and meet the professor’s credibility standards without drowning in the database. Keep the momentum going—you’ve got this, and the focused approach will get you a strong, trustworthy review in time.