More information about the 1995 wave of data collection can be found in Duncan(1999). In 1995, the sample was administered the Loyola Generativity Scale, developed by McAdams and de St. Aubin(1992). This is a 20-item measure that assesses a participant's conscious concerns with generativity. Items were answered on a 5-point scale. Sample items included "I feel as though my contributions will exist after I die" and "I feel as though I have done nothing of worth to contribute to others" (one of six reverse-scored items). In the current sample, the alpha associated with the 20 items of the Loyola Generativity Scale was .87. The item mean was 3.96.
(Generativityにかんしてはhttp://ir.library.osaka-u.ac.jp/metadb/up/LIBLASDK/15_3.pdfを見てください。)
翻訳とご説明ありがとうございます!