Vail Co ,A Manufacturer of Electronic Gadgets,has Designed a New Computer

Vail Co. ,a manufacturer of electronic gadgets,has designed a new computer mouse.The engineers at Vail Co.claim that their mouse has been specifically designed to mitigate pain and stress.The mouse has been designed to have a vertical grip that keeps the user's hand and wrist at a neutral angle,thereby reducing discomfort.In designing their new computer mouse,the scientists at Vail Co.have conducted studies in the field of

A) ergonomics.
B) group dynamics.
C) mnemonics.
D) abnormal psychology.