title: Generalizability Issues in Observational Studies of Couples: Sample Characteristics and Task Design.
authors: Oregon Social Learning Center, 10 Shelton McMurphey Blvd. Eugene, OR 97401, (541) 485-2711, (541) 485-7087, hyounk@oslc.org.
authors: Hyoun K
authors: HK
authors: Kim
authors: Deborah M
authors: DM
authors: Capaldi