The data comes from research on the stability of alienation using panel data. The variables in the model were aggregated from 932 individual responses drawn from a rural region of Illinois to a series of items from attitude scales measured in two time points (1967 and 1971). "Anomia" and "powerlessness" were both conceived as indicators of the latent variable "alienation". Background variables including "education", and the socio-economic index score ("SEI") were also measured in 1967 and were boh conceived as indicators of the respondent's socio-economic status.
alienation
A 6 by 6 variance-covariance matrix summarized from 932 respondent.
anomia measured in 1967.
powerlessness measured in 1967
anomia measured in 1971.
powerlessness measured in 1971
measured as years of schooling
Duncan's socio-economic index score ("SEI") of the respondent's occupation
From Wheaton et al. (1977).
Wheaton, B., Muthén, B., Alwin, D., & Summers, G. (1977). Assessing Reliability and Stability in Panel Models. Sociological Methodology, 8, 84-136. doi:10.10.2307/270754.
#> num [1:6, 1:6] 11.83 6.95 6.82 4.78 -3.84 ... #> - attr(*, "dimnames")=List of 2 #> ..$ : chr [1:6] "anomia67" "powerless67" "anomia71" "powerless71" ... #> ..$ : chr [1:6] "anomia67" "powerless67" "anomia71" "powerless71" ...alienation#> anomia67 powerless67 anomia71 powerless71 education sei #> anomia67 11.834 6.947 6.819 4.783 -3.839 -21.899 #> powerless67 6.947 9.364 5.091 5.028 -3.889 -18.831 #> anomia71 6.819 5.091 12.532 7.495 -3.841 -21.748 #> powerless71 4.783 5.028 7.495 9.986 -3.625 -18.775 #> education -3.839 -3.889 -3.841 -3.625 9.610 35.522 #> sei -21.899 -18.831 -21.748 -18.775 35.522 450.288