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Figure 2. Data Matrix
|Name of Data Source
|How important are the data?
||Five to ten key questions that can be answered with this data source:
What is the main purpose of this data source? What policy questions can it be used to answer?
|What do the data represent?
||Sample or universe |
Where do the observations in the data set come from (e.g., all public hospitals or all persons covered by Medicaid)?
|Unit(s) of analysis
What does one line of the data set represent (e.g., a person, a family, a provider, an insurance claim)?
|How helpful are the data?
||Periodicity of data collection
Are the data collected on a regular basis? How frequently?
|Access and usability of data |
Are the data publicly available? Is a data use agreement or assurance of confidentiality required? What is the lead time needed to obtain the data?
|Confidence in validity of data |
Are there any limitations or concerns that people familiar with the data set may have? To what extent are the data generalizable?
|How should the data be acquired?
What organization is responsible for collecting and managing the data? Provide a contact name with phone number and email address and Web site information, if available.
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