Complex sentence: The discovery of the informal organisation and its relationship to the formal organisation was a land mark of experiments in interviewing worker these experiment led to a richer understanding of the social, interpersonal dynamics of people at work.
Split into simpler sentences: The discovery of the informal organisation and its relationship to the formal organisation was a land mark of experiments in interviewing workers. These experiment led to a richer understanding of the social, interpersonal dynamics of people at work.