20. When you create a system to manage
all of your observational data, you must
ensure that
A. files include data on all domains.
B. children's records are kept confidential
according to the Family Educational Rights
and Privacy Act (FERPA).
O C. files are organized chronologically so
you can see what a child did on a given day.
○ D. data is accessible so that people can
find the information they're looking for.

When creating a system to manage observational data, it is crucial to ensure that the files are organized appropriately to maintain confidentiality and access. For example, according to the Family Educational Rights and Privacy Act (FERPA), children's records must be kept confidential, and data should be accessible for authorized individuals to find the information they need.

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