What is a sludge audit?
Sludge audits are a way to identify, quantify and remove sludge (unnecessary frictions) from government services.
Using the NSW Government sludge audit method, you can:
understand where sludge is making your government service difficult to access
quantify the impact of sludge on the community
know where and how you can improve your service using behavioural science
measure the impact of your service improvements.
Why do a sludge audit?
NSW Government departments and agencies are using the sludge audit method to improve services across the sector. It helps them remove barriers to access, and make services more inclusive.
The goal is to make things easier and fairer for everyone who interacts with NSW Government. Sludge audits have a real impact. Teams find using the sludge audit method delivers tangible benefits for the people and communities of NSW.
"The masterpiece is the sludge audit… it gives you clarity and centralises your thoughts and feelings and opinions about a particular process in one place and gives a measurable view of a frustrating process"
Sludge-a-thon participant
Start a sludge audit
Use the NSW Government Sludge Audit Method Guide alongside the Sludge Finder tool to complete sludge audits.
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The NSW Government Sludge Audit Method (PDF)
Learn how to do sludge audits to improve your government services.
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Sludge Finder
Use this tool to do sludge audits. Sludge Finder is available to all NSW public servants.
If you are not using Sludge Finder, use the sludge scales to assess and quantify the effort it takes people to access government services.
Get support to complete a sludge audit
The NSW Behavioural Insights Unit (BIU) supports teams across NSW Government to identify and remove sludge from their government services. Based on your needs, this support could include:
- providing advice and resources
- introducing your team to the sludge audit method
- providing tailored support as your team completes sludge audits
- conducting rapid or deep sludge audits with you
- supporting implementation of changes, designing and testing behavioural interventions.
Email the BIU for support
Help us grow our method and resources
Have you done a sludge audit? We would love to hear from you!
We are continually updating our method, guides and sludge scales in response to feedback and new evidence. If you have any ideas on how we can improve, please let us know.
Email the BIU to share your feedback
What is sludge?
Sludge describes the ‘excessive or unjustified frictions’ that make it harder for people to achieve their goals. It impacts satisfaction, trust and access to services. Sludge also prevents us from fulfilling the NSW Customer Commitments.
By removing sludge, you can make your government services easier to access and use. You can help people achieve their goals and make your services more fair and inclusive.
What does sludge in government look like?
Sludge in government can take many forms. Here are some examples:
Information that is hard to find or understand
- Conflicting or outdated information
- Complex language, jargon and slang
- Websites that are hard to navigate
Lengthy forms and processes
- Processes with unnecessary steps
- Forms that ask for unnecessary information
- Excessive wait times
Processes that lead to feelings of anxiety
- Unexpected and unnecessary requests for sensitive information
- Unnecessary or confusing compliance requirements
- Rejections provided without empathy nor explanation
Design that is not inclusive
- Websites that are incompatible with screen readers
- Information that is only available in English
- Steps that can only be completed in person, or only online
What if I am outside NSW Government?
Government jurisdictions outside NSW are using behavioural insights and sludge audits to make their services better. We continue to learn from how these jurisdictions are reducing sludge.
For example, we partnered with the Organisation for Economic Co-operation and Development (OECD) to invite government jurisdictions outside NSW to participate in an ‘international sludge academy’ in 2023. During the academy, 16 jurisdictions from 14 countries trialled and tested the NSW Government sludge audit method. You can read more about the lessons we learnt from the academy here.
Help us shape the future of the sludge audit method
We welcome learning from other jurisdictions about how we can improve our method and resources. Please reach out to us if you:
- have feedback on the NSW Government sludge audit method, guides or sludge scales
- want to understand how we assess effort and experience using the evidence we have accumulated in the sludge scales
- are an academic who would like to conduct real world research around improving government services
- have done a sludge audit and would like to tell us about your experience.
Other resources for improving the customer experience
Our impact
Want to learn more about how the NSW Behavioural Insights Unit is eliminating sludge in NSW Government? Read our blog posts:
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