\"In July 2013 we implemented a randomized controlled trial infive factory units in Bangalore operated by Shahi Exports Pvt.Ltd., India’s biggest garment export firm. The trial covered 2,703workers who initially expressed interest in the program andinvolved the administering of the Personal Advancement and CareerEnhancement (P.A.C.E.) training, a life skills course for femalegarment workers designed by Gap, Inc. P.A.C.E.............Wemeasured the impacts of soft skills training on workplace outcomessuch as retention, productivity, and salary, using the firm’sadministrative data along with changes in knowledge, behaviors, andpersonality traits of workers. \"
If you had to design an experiment for this study, whatwould be your independent variable,dependent variable, and control?Would this study be considered to be a fieldstudy?