On Smith's Paper on "'Randomness of Error' in Reproducible Scales"

Guttman, Louis. "On Festinger's Evaluation of Scale Analysis". Psychological Bulletin, XLIV (1947), 451-465.

Guttman, Louis. "Relation of Scalogram Analysis to Other Techniques". Chapter 6 in S. A. Stouffer, et al., Measurement and Prediction. Princeton, New Jersey: Princeton University Press, 1950 .

Guttman, Louis. "The Principal Components of Scale Analysis". Chapter 9 in S. A. Stouffer, et. al., Measurement and Prediction. Princeton, New Jersey: Princeton University Press, 1950.

Guttman, Louis. "The Principal Components of Scalable Attitudes". In Paul F. Lazarsfeld (editor), Mathematical Thinking in the Social Sciences . (In Press)

Guttman, Louis. "Scale Analysis, Factor Analysis, and Dr. Eysenck". International Journal of Opinion and Attitude Research, V ( 1951), 103-120.

Guttman, Louis. "The Israel Alpha Technique for Scale Analysis", (Stenciled). Jerusalem , Israel: The Israel Institute of Applied Social Research, 1951.

Guttman, Louis. "The Theory of Nodular Structures ". (In Preparation)

Guttman, Louis. "A General Theory of Deviations for Qualitative Data". (In Preparation)

Guttman, Louis. "A New Approach to Factor Analysis: The Radex". In Paul F. Lazarsfeld (editor), Mathematical Thinking in the Social Sciences . (In Press)

Lazarsfeld, Paul F. " The Logical and Mathematical Foundation of Latent Structure Analysis". Chapter I0 in S. A. Stouffer, et al., Measurement and Prediction. Princeton, New Jersey: Princeton University Press , 1950.

Smith, Robert G. , Jr. " 'Randomness of Error' in Reproducible Scales". EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, XI ( 1951), 587-596.