Snowball sampling (also called chain-referral sampling) is a non-probability sampling method in which existing study participants recruit future participants from among their own acquaintances. A ...

The 340B Drug Pricing Program, codified at 42 U.S.C. § 256b and administered by the Health Resources and Services Administration’s (HRSA) Office of Pharmacy Affairs (OPA), requires drug manufacturers ...

A flammable liquid storage cabinet is the most common way research labs keep solvents and other flammable liquids close to the bench while staying compliant with OSHA’s Flammable Liquids standard, 29 ...

A thesis or dissertation follows a recognizable structural pattern, but the exact chapter breakdown, front-matter order, and formatting rules vary by institution, department, and discipline. This ...

The “GPO safe harbor” is the regulatory exemption at 42 CFR 1001.952(j) that allows a group purchasing organization (GPO) to collect an administrative fee from vendors on purchases made by its member ...

A sentinel mouse is not part of a study — it is a diagnostic instrument. Sentinel animals are placed into a rodent colony specifically so they can be tested on a fixed schedule for pathogens that ...

A “frontier AI model” is not a specific product, and it is not a specific company’s model. It is a capability class: a model at or near the current edge of what AI systems can do. What varies — and ...

RAMESES publication standards: realist syntheses — 19 standards covering how to report a realist review (a secondary-research synthesis of existing literature), addressing the study’s rationale, its ...

Any organisation that wants to apply for European Commission research and innovation funding — Horizon Europe, Erasmus+, Digital Europe, or any other programme run through the Commission’s centralised ...

The Morse Fall Scale (MFS) is the single most-searched fall-risk instrument by name, and for good reason: it is the default inpatient screening tool at a large share of U.S. hospitals. This page gives ...

A nursing-sensitive indicator is a quality measure whose result is affected, provided, or influenced by nursing personnel — but for which nursing is not the exclusive driver. That’s not a loose ...

Synthetic data — records generated by a model or algorithm rather than collected from real-world observation — is increasingly proposed as a way to make sensitive research data shareable, or to fill ...