What is data quality ?
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Transcript of What is data quality ?
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What is data quality?An introduction to the culture and philosophy of
collecting and using accurate and useful data.
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Define data quality.
Describe a culture and philosophy that support data quality.
Identify strategies for increasing data quality.
Objectives
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Data quality means…Accuracy Utility Timeliness
Data quality is more than metrics. It is also a philosophy and culture.
And…
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Roles
Accuracy Completeness Consistency Utility/Validity
Policies and Regulations Standards and Guidelines Training and Development Technology Data Entry Environment Timelines and Calendar
School Board Superintendent Principals Technology Staff
More Effective Decisions Program Funding Grants Utility/Validity Improve Instruction
FactorsData QualityPhilosophy and Culture
Dimensions
Importance
Timeliness Security Accessibility
Office Staff Data Stewards Teachers
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
The data represent the truth.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
All required elements are reported.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
Everyone who handles the data shares an understanding of the data and their definitions.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
The data provide the right information to answer the questions that are asked.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
Quality data are accessible to users at the correct time in order to provide information for decision-making.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
Quality data are secured to protect privacy and to prevent tampering.
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Dimensions1. Accuracy2. Completeness3. Consistency4. Utility/Validity5. Timeliness6. Security7. Accessibility
Data quality results from data use. Data must be available to authorized staff to improve decision making.
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Roles
Accuracy Completeness Consistency Utility/Validity
Policies and Regulations Standards and Guidelines Training and Development Technology Data Entry Environment Timelines and Calendar
School Board Superintendent Principals Technology Staff
More Effective Decisions Program Funding Grants Utility/Validity Improve Instruction
FactorsData QualityPhilosophy and Culture
Dimensions
Importance
Timeliness Security Accessibility
Office Staff Data Stewards Teachers
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Schools are bound by district policies, as well as state guidelines and federal regulations.
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Standards are the values or principles that are followed to achieve data quality.
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Training in specific skills, as well as broader professional development are important to improving data quality.
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Technology systems are the tools for collecting, maintaining and reporting data.
These systems must support the principles of data quality.
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Environment refers to more than physical space.
A culture of quality data includes support and resources that add value to the data entry process.
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Factors Policies and Regulations
Standards and Guidelines
Professional Development
Technology
Data Entry Environment
Timelines and Calendar
Multiple deadlines are a part of the school data cycle.
A calendar will help to organize resources.
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Roles
Accuracy Completeness Consistency Utility/Validity
Policies and Regulations Standards and Guidelines Training and Development Technology Data Entry Environment Timelines and Calendar
School Board Superintendent Principals Technology Staff
More Effective Decisions Program Funding Grants Utility/Validity Improve Instruction
FactorsData QualityPhilosophy and Culture
Dimensions
Importance
Timeliness Security Accessibility
Office Staff Data Stewards Teachers
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ImportanceInformation is key to any decision-making process.
This process is only as good as the data used to inform it.
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ImportancePossible consequences of inferior data quality include Inefficiency Loss of time Lack of confidence in using the data Poor decisions
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ImportanceAssessing the data quality at any organizational level is the first step to plan for improvements.
The National Center for Education Statistics (NCES) has a self-assessment tool for schools and districts.
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Roles
Accuracy Completeness Consistency Utility/Validity
Policies and Regulations Standards and Guidelines Training and Development Technology Data Entry Environment Timelines and Calendar
School Board Superintendent Principals Technology Staff
More Effective Decisions Program Funding Grants Utility/Validity Improve Instruction
FactorsData QualityPhilosophy and Culture
Dimensions
Importance
Timeliness Security Accessibility
Office Staff Data Stewards Teachers
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RolesThe NCES has tip sheets that define roles for data quality at the school and district: Office Staff Technology Support Staff Data Stewards Teachers Principals Superintendents Board Members
The tip sheets offer checklists that include Things to think about Things to do Outcomes
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Visit http://www.k12.wa.us/CEDARS/dataquality/
Want more?
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Where does data quality play a role in your program?
What are the consequences for low and high data quality for your program?
How do you communicate with the field to support high data quality? What other strategies do you use to improve data quality?
Discussion