A research paradigm is the underlying set of beliefs a researcher holds about the nature of reality and the nature of knowledge, and it is what ultimately justifies the choice of research approach, ...

The nominal group technique (NGT) is a structured, face-to-face group process for generating and prioritising ideas in a single session. Participants are physically together but work silently for the ...

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 ...

Medical equipment depreciation life is the number of years an institution uses to spread a piece of purchased equipment’s capitalized cost across its expected service period. It is the input number a ...

The law of large numbers is the reason a bigger sample gives you a more trustworthy estimate. It doesn’t say a large sample guarantees a correct answer, and it doesn’t say a coin “owes” you tails ...

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 ...

The Modified Early Warning Score (MEWS) is a bedside aggregate scoring tool that turns five routinely recorded vital signs — systolic blood pressure, heart rate, respiratory rate, temperature, and ...

IRB review is rarely free, but who pays and how much depends entirely on the study’s context. A faculty investigator running a minimal-risk survey through their own university’s IRB typically never ...

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 ...

When a federal grant recipient hears “clawback,” it almost always means one thing: the funding agency wants some or all of already-disbursed money back. Unlike a routine budget adjustment during ...

Before this regulation, each EU member state ran its own HTA process from scratch, and a sponsor could face the same clinical dossier questions asked in slightly different ways by Germany’s IQWiG, ...

California’s SB 942 AI Transparency Act took effect August 2, 2026 — not the January 1, 2026 date still cited across much of the web — after AB 853 delayed it to align with the EU AI Act. It requires ...