Researcher access to confidential records adds to the vulnerability of workers who participate in workplace studies. inappropriate release of identifiable private information could adversely affect a worker's retention of a job, insurance, or other employment related benefits. to avoid or minimize these risks, the study design must include adequate safeguards to protect the confidentiality of the information collected. a plan for the proper management of study data and records should clearly define:
a. if personal identifiers will be retained and used in the data analysis.
b. if the study results, if any, will be included in the employee's personnel records.
c. how the data will be collected and secured.
d. who will have access to the data.
e. all of the above

All of the above:

- Who will have access to the data.

- If the study results, if any, will be included in the employee's personnel records

- How the data will be collected and secured

- If personal identifiers will be retained and used in the data analysis.

Explanation:

E. All of the above.

Explanation:

Today, more and more companies are not only making confidentiality contract for new employee just hired but also to potential future employees in the selection process.

That is because a break in the information chain or an infiltration in the data of the organization could be very catastrophic for any company, the theft of data  made by the competition can do irreparable damage that even a monetary compensation could not solve.

this is called police cynicism. i hope this .