Methodology notes, from our own team.
Practical, specific guidance from our methodologists and consultants, not general advice you could find anywhere.
All articles
How Many Studies Do You Need for a Systematic Review?
There is no universal minimum study count for a valid systematic review, but a few specific thresholds do meaningfully affect what your review can and cannot reliably claim.
Jul 2026 · 5 min read · By Dr. Samuel Osei
Systematic Reviews of Prevalence and Incidence: A Different Kind of Question
Reviews estimating how common a condition is use genuinely different appraisal tools and pooling methods than reviews asking whether an intervention works.
Jul 2026 · 5 min read · By Dr. Grace Mwangi
Piloting Your Data Extraction Process Before You Start
Skipping the pilot step is one of the most common reasons a review team ends up re-reading every included study a second time.
Jul 2026 · 5 min read · By Dr. Lauren Ito
Getting Extraction Support for a Large Systematic Review
Extraction volume that felt manageable in planning can become a genuine bottleneck once a review’s actual included study count becomes clear, and support at this stage has a specific, well-defined shape.
Jul 2026 · 5 min read · By Dr. Lauren Ito
Bias in Individual Studies vs. Bias in the Review Process Itself
Risk-of-bias assessment addresses one kind of bias entirely, but a review’s own conduct can introduce a genuinely different, equally consequential kind.
Jul 2026 · 5 min read · By Dr. Elena Kowalski
Equity-Focused Systematic Reviews: The PROGRESS-Plus Framework
Equity-focused systematic reviews use a specific framework to make sure a review actually reports whether an intervention works differently across disadvantaged groups.
Jul 2026 · 5 min read · By Dr. Grace Mwangi
A Systematic Review on Large Language Models in Research
Large language models in research spans literature screening assistance, data extraction automation, and manuscript drafting support, each a distinct question worth its own review.
Jul 2026 · 5 min read · By James Okafor
Risk of Bias at the Outcome Level vs. the Study Level
A single study can carry meaningfully different risk-of-bias judgments for different outcomes it reports, and treating the whole study as one uniform rating misses this.
Jul 2026 · 5 min read · By Dr. Samuel Osei
Systematic Reviews Outside Health: Education, Environment, and Social Policy
Systematic review methodology extends well beyond medicine, with its own established traditions and organizations supporting rigorous evidence synthesis in social science and policy fields.
Jul 2026 · 5 min read · By Dr. Priya Nair
Systematic Review Team Roles: Who Actually Does What
A well-run systematic review distributes distinct responsibilities across genuinely different skill sets, even on a small, resource-limited team.
Jul 2026 · 5 min read · By Dr. Amara Chen
Building a Literature Search Strategy: Databases, Filters, and Grey Literature
A comprehensive literature search strategy is built deliberately, database by database, not assembled from a single generic search string copied everywhere.
Jul 2026 · 5 min read · By Dr. Priya Nair
Outsourcing Your Search Strategy Design
A search strategy built without genuine database-specific expertise routinely misses relevant literature in ways the researcher never discovers, since a missed study simply never appears.
Jul 2026 · 5 min read · By Dr. Priya Nair
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