While burnout has been considered as a purely work-related disease until a few years ago, things are changing because excessive chronic stress "the putative cause of burnout" is not limited to work. Parenting has long been shown to be a both complex and stressful activity and important sociological changes in recent decades have further increased the pressure on parents. It has recently been confirmed that, just as enduring exposure to excessive job stress can lead to job burnout, enduring exposure to overwhelming parenting stress can lead to parental burnout. It has also been shown that these two forms of burnout are distinct entities. The Parental Burnout research lab uses varying research methods (qualitative and quantitative; cross-sectional and cross-lagged longitudinal; single cases and nationally representative samples; observational and intervention; self-reports, informant-reports and biological measures) in order to study: