Examine the correlation matrix of independent variables and determine if multicollinearity is influencing your results.

Correlation Matrix—Independent Variables X1 X2 X3 X4 X5 X6 X1 1 X2 .442** 1 2 X3 −.448** −.236* 1 X4 −.162 .071 .358** 1 X5 −.107 −.008 .312** .733** 1 X6 .499** .523** .123 .386** .275* 1

a. Correlation is significant at the 0.01 level (two-tailed).

b. Correlation is significant at the 0.05 level (two-tailed).