>[!abstract] >A **Likert scale**, named after social psychologist Rensis Likert, is a research instrument frequently used in survey questionnaires to allow respondents to assign ratings on a scale to a particular item (e.g., strongly disagree, disagree, neither agree nor disagree, agree, strongly agree). >[!related] >- **North** (upstream): — >- **West** (similar): — >- **East** (different): — >- **South** (downstream): —