Explanation 1
Official data often has strong documentation but may update slowly.
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Lesson 10 of 12
Judge public, business, official, private, vendor, and web data sources by documentation, reliability, access, and citation needs.
Theory
Data can come from internal business systems, official statistical agencies, public repositories, private vendors, surveys, and web platforms. A credible source documents how data was collected, what the rows mean, when it updates, who is covered, and what limits remain.
Explanation 1
Official data often has strong documentation but may update slowly.
Explanation 2
Business data is operationally detailed but may miss unobserved behavior.
Explanation 3
Web data can be timely but noisy and incomplete.
Interactive Mission
0%
A source can be useful and still limited. The checklist helps you explain how much trust is appropriate.
Resource
Original synthetic catalog for filtering source type, reliability score, access, and documentation notes.
DownloadWorked example
Scenario
A vendor report claims course completion benchmarks but does not describe recruitment or sample size. A public agency table gives definitions and update frequency but lags by one year.
A source can be useful for one decision and weak for another.
Assistant
Help me evaluate a data source by asking about owner, method, coverage, update frequency, reliability, access, and citation.
Exit check
Use the hint button if you need coaching before answering. Explanations appear after you check or submit.
Checkpoint
Question 1 of 2. Answered 0/2. Passing score: 70%.