As interns in human resource management, brad and his team are administering a professionally developed employee questionnaire to collect information on workplace violence. this type of research produces data that is considered a. supplementary, secondary information. b. informal documentation. c. scientific experimentation. d. firsthand information.

Option (D)

Explanation:

From the given case/scenario, we can state that this type of study/research produces information that is considered firsthand information. First hand information is referred to as experience or information/data that is  learned or gained directly, instead or rather being imparted from other individuals/people or from any source/books, i.e.  Information that is obtained directly.

d.) continue to rise rapidly

answer; collective security;