LEED Green Associate Practice Test

Which of the following describes the term 'negative feedback loop'?

1. A loop that amplifies changes in the same direction

2. A self-correcting mechanism that counters changes

3. A method to enhance system efficiency

4. A system for tracking performance

The correct answer is: A self-correcting mechanism that counters changes

The term 'negative feedback loop' refers to a self-correcting mechanism that aims to maintain stability within a system by counteracting deviations from a set point or desired outcome. When a change occurs in a system, the negative feedback loop works to reduce that change, pushing the system back toward equilibrium. This mechanism is crucial in various contexts, such as environmental control systems, biological systems, and even in project management within sustainable practices, where it helps to ensure that goals are met without significant overshoot. In contrast, other options describe different concepts. Options describing loops that amplify changes refer to positive feedback mechanisms, which are entirely distinct from the corrective nature of a negative feedback loop. Other choices that suggest enhancing efficiency or tracking performance represent different methodologies or systems that do not specifically pertain to the concept of feedback mechanisms.