Problem: Humanize ..... A robust nonexperimental approach is a daily diary (correlational) design. Adults living with family members could record their work stress levels each day and then note any family conflict that occurs that evening over a period of 1 to 2 weeks. Additionally, gathering reports from partners could help minimize bias from relying on a single person's perspective. This method would enable you to examine whether days with increased work stress correlate with higher levels of conflict at home, although it would not establish a causal relationship. Need Assignment Help?