Match the following correctly. an asymmetrical measure of association suitable f

Question

Match the following correctly. an asymmetrical measure of association suitable for use with nominal variables. It can range from 0.0 to 1.0 and gives an indication of the strength of an association between the independent and the dependent variables. a symmetrical measure of association suitable for ordinal variables or for dichotomous nominal variables. It can vary from 0.0 to plusminus 1.0 and reflects both the strength and direction of the association between two variables. a symmetrical measure of association suitable for use with ordinal variables. It accounts for pairs tied on the independent and dependent variable. It can vary from 0.0 to plusminus 1.0. a non-directional measure of association for nominal variables. It is based on the value of chi-square and ranges between 0.0 to 1.0. A. Lambda B. Gamma C. Kendall's tau-b D. Cramer's V E. Proportional reduction of error

Explanation / Answer

1) Lambda is defined as an asymmetrical measure of association that is suitable for use with nominal variables. It may range from 0.0 to 1.0. Lambda provides us with an indication of the strength of the relationship between independent and dependent variables.

2) Gamma is defined as a symmetrical measure of association suitable for use with ordinal variable or with dichotomous nominal variables. It can vary from 0.0 to +/- 1.0 and provides us with an indication of the strength of the relationship between two variables.

3) The Kendall tau-b correlation coefficient, b , is a nonparametric measure of association based on the number of concordances and discordances in paired observations.

4) Cramer's V is a way of calculating correlation in tables which have more than 2x2 rows and columns. It is used as post-test to determine strengths of association after chi-square has determined significance.

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