References
- Bentler , P. M. and Bonett , D. G. 1980 . Significance tests and goodness of fit in the analysis of covariance structures. . Psychological Bulletin , 88 : 582 – 606 .
- Cunningham , W. R. 1978 . Principles for identifying structural differences: some methodological issues related to comparative factor analysis. . Journal of Gerontology , 33 : 82 – 86 .
- Cunningham , W. R. 1980 . Age comparative factor analysis of ability variables in adulthood and old age. . Intelligence , 4 : 133 – 149 .
- Cunningham , W. R. and Birren , J. E. 1980 . Age changes in the factor structure of intellectual abilties in adulthood and old age. . Educational and Psychological Measurement , 40 : 271 – 290 .
- Garrett , H. E. 1946 . A developmental theory of intelligence. . American Psychologist , 1 : 372 – 378 .
- Guilford , J. P. 1967 . The nature of human intelligence. , New York : McGraw-Hill .
- Jöreskog , K. G. 1971 . Simultaneous factor analysis in several populations. . Psychometrika , 36 : 409 – 426 .
- Jöreskog , K. G. and Sörbom , P. 1979 . Advances in factor analysis and structural equation models. , Cambridge, Mass. : Abt Books .
- Meredith , W. 1964a . Notes on factorial invariance. . Psychometrika , 29 : 177 – 185 .
- Meredith , W. 1964b . Rotation to achieve factorial invariance. . Psychometrika. , 29 : 187 – 206 .
- Owens , W. A. 1953 . Age and mental abilities: a longitudinal study. . Genetic Psychology Monographs , 48 : 3 – 54 .
- Owens , W. A. 1966 . Age and mental ability: a second follow-up. . Journal of Educational Psychology. , 57 : 311 – 325 .