FAQ/constregSPSS72013-03-08 10:17:37localhostconverted to 1.6 markup62012-07-10 09:07:11PeterWatsonRevert to revision 4.52012-07-10 01:29:56stc.129.107.188.95.dsl.krasnet.ruUSA42012-07-09 13:39:02PeterWatsonRevert to revision 2.32012-06-30 12:15:5091.201.64.25USA22009-01-29 15:19:11PeterWatson12009-01-29 15:18:22PeterWatsonObtaining covariance terms involving the intercept term in a linear regression using SPSSThe covariance terms associated with the intercept (or constant) in SPSS obtained by firstly computing a column where every element equals 1. The above created constant term may then be added as a predictor in, for example, a moderation analysis, after removing the default option to include the intercept (constant) in the analysis (using the /ORIGIN subcommand) and requesting the covariance matrix of the regression coefficients (using the /BCOV subcommand).