Her goal isn't just to look at one puzzle; it's to see the of a specific mystery. Part 1: The Systematic Review (The Investigation)
: She searches every database—not just the famous ones—to find every single box that might fit her mystery. systematic_literature_review_and_meta_analysis
: Elena inspects each box for "Risk of Bias". If a box was funded by a company that wants the puzzle to look a certain way, she notes it. Systematic Literature Review and Meta Analysis Her goal isn't just to look at one
: She sets "Inclusion and Exclusion Criteria." If a puzzle box is about cats but her mystery is about dogs, it’s out. If a box was funded by a company
Elena doesn't just grab the boxes closest to the door. That would be a "narrative review"—prone to her own biases. Instead, she follows a strict, pre-written manual called a .
: She defines her mystery using the PICO framework (Population, Intervention, Comparison, Outcome).