Feedback loop

DEFINITION 1: A system for improving a product, process, etc. by collecting and reacting to users' comments.
SOURCE: Cambridge Dictionary.



DEFINITION 2: Mechanism through which information is collected and used to make an intervention more effective and efficient. Feedback loops can bring the perspective of beneficiaries and other stakeholders into account to enable changes to be made to the project, programme or policy intervention.

SOURCE: OECD (2014). Measuring and managing results in development co-operation. OECD, Paris. 






DEFINITION 3: Practice to policy feedback loops are PDSA cycles designed to provide VET organizational leaders and policy makers with information about implementation barriers and successes so that a more aligned VET system can be developed. Feedback from the practice level (Practice Informed Policy) engages and informs organizational leaders so that they can ensure that VET policy, procedures, resources, etc. enable innovative practices to occur in classrooms, schools, local/regional/national level (Policy Enabled Practice) as intended.
Source: Adapted from The Active Implementation Hub: Modules & Lessons-Module 5 Improvement cycles The State Implementation and Scaling up of Evidence-based Practices Centre (SISEP) and the National Implementation.


SOURCE: Research Network (NIRN), North Carolina, USA. 






DEFINITION 4: Feedback loop exists when information resulting from some action travels through a system and eventually returns in some form to its point of origin, potentially influencing future action. If the tendency in the loop is to reinforce the initial action, the loop is called a positive or reinforcing feedback loop; if the tendency is to oppose the initial action, the loop is called a negative or balancing feedback loop.

SOURCE: System Dynamics Society (1999/2011) Introduction to System Dynamics, Adapted from GP Richardson, System Dynamics. In Encyclopedia of Operations Research and Management Science, Saul Gass and Carl Harris, eds., Kluwer Academic Publisher, Albany, USA.


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