RT Article T1 Developmental idealism and a half-century of family attitude trends in the United States A1 Allendorf, Keera A2 Thornton, Arland 1944- A2 Young-DeMarco, Linda LA English YR 2023 UL https://krimdok.uni-tuebingen.de/Record/1912511789 NO 2374-538X DO 10.1525/sod.2022.0003