Book excerpt: Monograph on the effects of flexible hours of work on conflicting demands of parenting and employment (esp. Of married women woman workers) in the USA - based on a survey of civil servants in Washington D.C., considers sociological aspects and psychological aspects, the influence of traditional sexual division of labour, the effect on quality of working life, child care, job satisfaction, etc., and explains research methodology (incl. Data collecting and data analysis). Bibliography pp. 257 to 329 and tables.