According to schaie a person who is working and is put into a position to supervise others would be in the stage

What attorney successfully defended zenger during trail

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases. protect researchers from disclosing conflicts of interest. prevent subjects from knowing the purpose of a study. protect identifiable research information from compelled disclosure.

What period of history refers to the time when people did not have written records