Use of Absolute Values in Estimating Reliability From the Inter-Item Correlations

Bowers, J. A note on Gaylord's "Estimating test reliability from the item-test correlations." EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT , 1971, 31, 427-429.

Cronbach, L.J. Coefficient alpha and the internal structure of tests Psychometrika , 1951, 16, 297-334.

Gaylord, R.H. Estimating test reliability from the item-test correlations EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1969, 29, 303-304.

Guilford, J.P. Fundamental statistics in psychology and education (3rd Ed.) New York: McGraw-Hill, 1956.

Gulliksen, H. Theory of mental tests New York: Wiley, 1950.

Horst, P. Psychological measurement and prediction Belmont, Calif. : Wadsworth, 1966.

Kuder, G.F. and Richardson, M.W. The theory of the estimation of test reliability Psychometrika, 1937, 2, 151-160.

Lord, F.M. and Novick, M.R. Statistical theories of mental test scores Reading, Massachusetts : Addison-Wesley, 1968.

Richardson, M.W. Notes on the rationale of item analysis Psychometrika , 1936, 1, 69-76.