Jackson is working with a company to help them develop more effective training programs for their employees. He has spent a great deal of time reviewing all the documents the company has about previous training opportunities they have provided for their employees. Up to this point in time , Jackson has been engaged in a psychological testing b archival research c direct observation d meta analysis

Jackson is working with a company to help them develop more effective training programs for their employees. He has spent a great deal of time reviewing all the documents the company has about previous training opportunities they have provided for their employees. Up to this point in time , Jackson has been engaged in
a psychological testing
b archival research
c direct observation
d meta analysis