Schedule control and supervisor support for family and personal life may help employees
manage the work-family interface. Existing data and research designs, however, have made
it difficult to conclusively identify the effects of these work resources. This analysis utilizes
a group-randomized trial in which some units in an information technology workplace were
randomly assigned to participate in an initiative, called STAR, that targeted work practices,
interactions, and expectations by (1) training supervisors on the value of demonstrating
support for employees’ personal lives and (2) prompting employees to reconsider when
and where they work. We find statistically significant, although modest, improvements in
employees’ work-family conflict and family time adequacy, and larger changes in schedule
control and supervisor support for family and personal life. We find no evidence that this
intervention increased work hours or perceived job demands, as might have happened
with increased permeability of work across time and space. Subgroup analyses suggest the
intervention brought greater benefits to employees more vulnerable to work-family conflict.
This study uses a rigorous design to investigate deliberate organizational changes and their
effects on work resources and the work-family interface, advancing our understanding of the
impact of social structures on individual lives.