Please help me today is my test​

An economic term that describes happiness and its hard to measure in numbers is

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?