%0 Journal Article %T The Measurement of Age, Age Structuring, and the Life Course %A Karl Ulrich Mayer %A Richard A. Settersten %A Jr. %J - %D 1997 %R 10.1146/annurev.soc.23.1.233 %X The measurement of age, age structuring, and the life course has become more problematic as the study of human lives has moved toward more detailed analyses and explanations. As we seek to better u.. %U https://www.annualreviews.org/doi/abs/10.1146/annurev.soc.23.1.233