came from a broad range of socioeconomic backgrounds (M=5.01, SD=2.23 on a 10-point scale of father’s occupational status derived by Eron et al., 1971, based on Warner et al.’s, 1960, 7-point scale; this mean reflects jobs such as craftsmen, foremen, and skilled tradesmen) and displayed a wide range of intelligence (mean IQ of 104, SD=14). The 427 participants (211 boys, 216 girls) who were re-interviewed in 1970 had a modal age of 19 years and had completed 12.6 years of education on average. In 1981, 409 of the original participants were re-interviewed (modal age 30; 198 males, 211 females). The average educational level of the sample was “some college or technical school,” and the average verbal achievement, as indicated by an average of the spelling and reading scores on the Wide Range Achievement Test [WRAT; Jastak and Jastak, 1978], was 96.34 (SD=19.22) reflecting average achievement. For the 523 participants (268 males, 255 females; 61% of the original sample) re-interviewed during 1999–2002, the mean age was 48.46 years (SD=0.77); the average education level was between some college and a college degree; the average occupational attainment was middle-class status (the average occupational prestige code using Stevens and Hoisington’s, 1987, prestige scores reflected
