EFFECTS OF CATEGORIZING CONTINUOUS NORMAL VARIABLES ON PRODUCT-MOMENT CORRELATION

SHIZUHIKO NISHISATO; YUKIHIKO TORII

doi:10.4992/psycholres1954.13.45

SHIZUHIKO NISHISATO, YUKIHIKO TORII

Author information

JOURNAL FREE ACCESS

1971 Volume 13 Issue 1 Pages 45-49

DOI https://doi.org/10.4992/psycholres1954.13.45

Details

Published: 1971 Received: December 02, 1970 Available on J-STAGE: February 24, 2009 Accepted: - Advance online publication: - Revised: -
Correction information
Date of correction: February 24, 2009 Reason for correction: - Correction: AUTHOR Details: Wrong : SHIZUHIKO NISHISATO¹⁾, YUKIHIKO TORII²⁾
Right : SHIZUHIKO NISHISATO¹⁾, YUKIHIKO TORII¹⁾

Date of correction: February 24, 2009 Reason for correction: - Correction: AFFILIATION Details: Wrong :
1) The Ontario Institute for Studies in Education
2) University of Toronto

Right :
1) The Ontario Institute for Studies in Education and the University of Toronto

Date of correction: February 24, 2009 Reason for correction: - Correction: CITATION Details: Wrong : BINDER, A. 1959 Considerations of the place of assumptions in correlational analysis. Amer. Psychologist, 14, 504-510.
DAs GUPTA, S. 1960 Point biserial correlation coefficient and its generalization. Psychometrika, 25, 393-408.
FHANÉR, S. 1967 Information loss when p is applied in nonnormal cases. Scand. J. Psychol., 8, 127-131.
FURRY, P. H. 1958 Comment on “The needless assumption of normality in Pearson's r. Amer. Psychologist, 13, 545-546.
LAFORGE, R. 1958 Comment on “The needless assumption of normality in Pearson's r. Amer. Psychologist, 13, 546.
MILHOLLAND, J. E. 1958 Comment on “The needless assumption of normality in Pearson's r. ”Amer. Psychologist, 13, 544-545.
NEFZGER, M. D., & DRAsGow, J. 1957 The needless assumption of normality in Pearson's r. Amer. Psychologist, 12, 623-625.
PETERS, C. C., & VAN VOORHIS, W. R. 1940 Statistical procedures and their mathematical bases. New York: McGraw-Hill.

Right : BINDER, A. 1959 Considerations of the place of assumptions in correlational analysis. Amer. Psychologist, 14, 504-510.
DAS GUPTA, S. 1960 Point biserial correlation coefficient and its generalization. Psychometrika, 25, 393-408.
FHANÉR, S. 1967 Information loss when ρ is applied in non-normal cases. Scand. J. Psychol., 8, 127-131.
FURRY, P. H. 1958 Comment on The needless assumption of normality in Pearson's γ. Amer. Psychologist, 13, 545-546.
LAFORGE, R. 1958 Comment on The needless assumption of normality in Pearson's γ. Amer. Psychologist, 13, 546.
MILNOLLAND, J. E. 1958 Comment on “The needless assumption of normality in Pearson's γ.” Amer. Psychologist, 13, 544-545.
NEFZGER, M. D., & DRASGOW, J. 1957 The needless assumption of normality in Pearson's γ. Amer. Psychologist, 12, 623-625.
PETERS, C. C., & VAN VOORHIS, W. R. 1940 Statistical procedures and their mathematical bases. New York: McGraw-Hill.

Date of correction: February 24, 2009 Reason for correction: - Correction: PDF FILE Details: -

Date of correction: February 24, 2009 Reason for correction: - Correction: CITATION Details: Wrong : BINDER, A. 1959 Considerations of the place of assumptions in correlational analysis. Amer. Psychologist, 14, 504-510.
DAS GUPTA, S. 1960 Point biserial correlation coefficient and its generalization. Psychometrika, 25, 393-408.
FHANÉR, S. 1967 Information loss when ρ is applied in non-normal cases. Scand. J. Psychol., 8, 127-131.
FURRY, P. H. 1958 Comment on The needless assumption of normality in Pearson's γ. Amer. Psychologist, 13, 545-546.
LAFORGE, R. 1958 Comment on The needless assumption of normality in Pearson's γ. Amer. Psychologist, 13, 546.
MILNOLLAND, J. E. 1958 Comment on “The needless assumption of normality in Pearson's γ.” Amer. Psychologist, 13, 544-545.
NEFZGER, M. D., & DRASGOW, J. 1957 The needless assumption of normality in Pearson's γ. Amer. Psychologist, 12, 623-625.
PETERS, C. C., & VAN VOORHIS, W. R. 1940 Statistical procedures and their mathematical bases. New York: McGraw-Hill.

Right : BINDER, A. 1959 Considerations of the place of assumptions in correlational analysis. Amer. Psychologist, 14, 504-510.
DAS GUPTA, S. 1960 Point biserial correlation coefficient and its generalization. Psychometrika, 25, 393-408.
FHANÉR, S. 1967 Information loss when ρ is applied in non-normal cases. Scand. J. Psychol., 8, 127-131.
FURRY, P. H. 1958 Comment on “The needless assumption of normality in Pearson's r.” Amer. Psychologist, 13, 545-546.
LAFORGE, R. 1958 Comment on “The needless assumption of normality in Pearson's r.” Amer. Psychologist, 13, 546.
MILNOLLAND, J. E. 1958 Comment on “The needless assumption of normality in Pearson's r.” Amer. Psychologist, 13, 544-545.
NEFZGER, M. D., & DRASGOW, J. 1957 The needless assumption of normality in Pearson's r. Amer. Psychologist, 12, 623-625.
PETERS, C. C., & VAN VOORHIS, W. R. 1940 Statistical procedures and their mathematical bases. New York: McGraw-Hill.

Corresponding author

Correction information

Register with J-STAGE for free!