For Sally's Study,one Member of a Set of Married Couples

Multiple Choice

For Sally's study,one member of a set of married couples carried voice-activated digital recorders for 2 weeks and both spouses made relationship satisfaction ratings at the end of each day.The recordings contained a lot of meaningless information,but they also contained daily conversations that the spouses had with each other.Sally analyzed the conversations and examined whether the positive and negative behaviors on each day predicted the relationship satisfaction ratings on subsequent days.What kind of research is this?

A) home-based observational and cross-sectional
B) home-based observational and experimental
C) home-based observational and correlational
D) daily diary approach and experimental