This paper presents an empirical analysis of similarities and differences among two statistics, G and Phi, which treat genuinely dichotomous data. These results can aid researchers in selecting between these two statistics and in evaluating results from the use of one versus the other.
Get full access to this article
View all access options for this article.
References
1.
Cohen, J. rc: A profile similarity coefficient invariant over variable reflection. Psychological Bulletin , 1969, 71, 281-284.
2.
Guilford, J. P.Fundamental statistics for psychology and education. New York: McGraw-Hill, 1965.
3.
Holley, J. W. and Guilford, J. P.A note on the G index of agreement. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1964, 24, 759-763.
4.
Holley, J. W. and Sjoberg, L.Some characteristics of the G index of agreement. Multivariate Behavior Research, 1968, 3, 107-114.
5.
Sokol, R. R. and Sneath, P. H. A.Principles of numerical taxonomy. San Francisco: Freeman, 1963.