If Your Great Grandfather Had Been in the US Military

Multiple Choice

If your great grandfather had been in the US military during World War I,how would the emerging field of Industrial psychology have impacted his life?

A) He would have been one of the first to use Lillian Gilbreth's foot-pedal trash can.
B) He would have been a subject in a time and motion study in which his motion and timing in conducting tasks would have been monitored.
C) He would have been given a test for mental ability designed by a group of I/O psychologists.
D) He would have been a subject in the Hawthorne studies.