Data Dictionary

Review the “Real-World Case” involving a data dictionary below. Then, answer the questions that follow:

Janice has been given the responsibility of creating and managing the data dictionary for the laboratory Information System (IS) that is being implemented. There are a number of existing ISs that have their own data dictionaries. The data from the laboratory IS will be part of a clinical data repository. She decided that she needs to start from scratch to make the data dictionary the best it can be. She is reviewing the data dictionaries from the other ISs used at the healthcare organization but she does not always use the same terminology and format that are used in the other ISs. (Sayles & Kavanaugh-Burke, 2021, p. 56)

  1. What is the purpose of the data dictionary and why is it important to create one?
  2. How will the data dictionary help improve or address data consistency, data currency, data definitions, data granularity, data precision, data relevancy, and data timeliness?
  3. Do you think it is necessary for this healthcare facility to have a data warehouse? If not, why not? If so, why and how will the laboratory IS provide useful information to the data warehouse?
  4. How could data mining be applied to this scenario?

References
Sayles, N. B., & Kavanaugh-Burke, L. (2021). Introduction to information systems for health information technology (4th ed.). AHIMA Press.

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