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References
1.
Gulliksen, H.
Theory of Mental Tests . New York : John Wiley and Sons , 1950 .
2.
Kelley, T. L.
Fundamentals of Statistics . Cambridge, Mass. : Harvard University Press , 1947 .
3.
Lord, F. M.
"The Measurement of Growth ". EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT , XVI (1956 ), 421 -437 .
