Akaike, H. (1987), “Factor Analysis and AIC,” Psychometrika, 52, 317–332.

Bartlett, M. S. (1950), “Tests of Significance in Factor Analysis,” British Journal of Psychology, 3, 77–85.

Bentler, P. M. (1995), EQS, Structural Equations Program Manual, Program Version 5.0, Encino, CA: Multivariate Software.

Bentler, P. M. and Bonett, D. G. (1980), “Significance Tests and Goodness of Fit in the Analysis of Covariance Structures,” Psychological Bulletin, 88, 588–606.

Bollen, K. A. (1986), “Sample Size and Bentler and Bonett’s Nonnormed Fit Index,” Psychometrika, 51, 375–377.

Bollen, K. A. (1989), Structural Equations with Latent Variables, New York: John Wiley & Sons.

Browne, M. W. and Cudeck, R. (1993), “Alternative Ways of Assessing Model Fit,” in K. A. Bollen and S. Long, eds., Testing Structural Equation Models, Newbury Park, CA: Sage Publications.

Duncan, O. D., Haller, A. O., and Portes, A. (1968), “Peer Influences on Aspirations: A Reinterpretation,” American Journal of Sociology, 74, 119–137.

Fuller, W. A. (1987), Measurement Error Models, New York: John Wiley & Sons.

Haller, A. O. and Butterworth, C. E. (1960), “Peer Influences on Levels of Occupational and Educational Aspiration,” Social Forces, 38, 289–295.

Hampel, F. R., Ronchetti, E. M., Rousseeuw, P. J., and Stahel, W. A. (1986), Robust Statistics, The Approach Based on Influence Functions, New York: John Wiley & Sons.

Huber, P. J. (1981), Robust Statistics, New York: John Wiley & Sons.

James, L. R., Mulaik, S. A., and Brett, J. M. (1982), Causal Analysis, Beverly Hills: Sage Publications.

Jöreskog, K. G. (1973), “A General Method for Estimating a Linear Structural Equation System,” in A. S. Goldberger and O. D. Duncan, eds., Structural Equation Models in the Social Sciences, New York: Academic Press.

Jöreskog, K. G. and Sörbom, D. (1979), Advances in Factor Analysis and Structural Equation Models, Cambridge, MA: Abt Books.

Jöreskog, K. G. and Sörbom, D. (1988), LISREL 7: A Guide to the Program and Applications, Chicago: SPSS.

Keesling, J. W. (1972), Maximum Likelihood Approaches to Causal Analysis, Ph.D. thesis, University of Chicago, Chicago.

Loehlin, J. C. (1987), Latent Variable Models, Hillsdale, NJ: Lawrence Erlbaum Associates.

Lord, F. M. (1957), “A Significance Test for the Hypothesis That Two Variables Measure the Same Trait Except for Errors of Measurement,” Psychometrika, 22, 207–220.

McArdle, J. J. and McDonald, R. P. (1984), “Some Algebraic Properties of the Reticular Action Model,” British Journal of Mathematical and Statistical Psychology, 37, 234–251.

McDonald, R. P. (1989), “An Index of Goodness-of-Fit Based on Noncentrality,” Journal of Classification, 6, 97–103.

Schwarz, G. (1978), “Estimating the Dimension of a Model,” Annals of Statistics, 6, 461–464.

Steiger, J. H. and Lind, J. C. (1980), “Statistically Based Tests for the Number of Common Factors,” Paper presented at the annual meeting of the Psychometric Society, Iowa City, IA.

Voss, R. E. (1969), Response by Corn to NPK Fertilization on Marshall and Monona Soils as Influenced by Management and Meteorological FactorResponse be, Ph.D. thesis, Iowa Stat University, Ames, IA.

Wiley, D. E. (1973), “The Identification Problem for Structural Equation Models with Unmeasured Variables,” in A. S. Goldberger and O. D. Duncan, eds., Structural Equation Models in the Social Sciences, New York: Academic Press.