Editing Public policy (section)

===== Problem stream =====
Because the definition of public problems are not obvious, they are most often denied and not acted upon. The problem stream represents a policy process to compromise for how worthy problems are to create policies and solutions.<ref name=":3" /> This is represented in five discrete factors:
* ''Indicators'': Scientific measurements, qualitative, statistical data using empirical evidence is used to bring relevance to particular phenomena.
* ''Interpretation'': Policymakers make judgements whether an issue constitutes a problem worthy of action.
* ''Ideology'': Elements of dominant values, customs, beliefs are crucial to devising problems needed for attention.
* ''Instances'': Media coverage supports by drawing attention to issues, thus prompting policymakers to respond and address changes.

Therefore, John Kingdon's model<ref>{{Cite journal|last1=Béland|first1=Daniel|last2=Howlett|first2=Michael|date=2016-05-26|title=The Role and Impact of the Multiple-Streams Approach in Comparative Policy Analysis|journal=Journal of Comparative Policy Analysis: Research and Practice|volume=18|issue=3|pages=221–227|doi=10.1080/13876988.2016.1174410|s2cid=156139395|issn=1387-6988|doi-access=free}}</ref> suggests the policy window appears through the emergence and connection of problems, politics and policies, emphasizing an opportunity to stimulate and initiate new policies.<ref name=":3" />