FOUNDATIONAL TERM
Blinding
盲法
Concealing allocation to reduce bias from expectations or assessment.
Study this concept in context
42 · Nutrition research, labels and health claims
Nutrition advertising often turns a true statement about an ingredient into an untested promise about health. This lesson translates such promises into testable questions and distinguishes the roles of research, labeling, and regulation.
07 · How Health Research Works: Experiments, Observation, and Causation
A study finds that regular walkers are healthier. Does walking make the difference, or are healthier people more able to walk regularly? Good research uses careful comparisons to distinguish these explanations.
Sources
- NCCIH: Types of Research
- NCCIH: Design of the Study
- NCCIH: Minimizing Bias
- NCCIH: Results and Their Interpretation
- FDA: Understanding the Nutrition Facts Label
- FDA: Information for Consumers on Dietary Supplements
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.