Fraction of R > −0.6 as a function of stellar mass, (M_u − M_r) color, D_n(4000) parameter, or log(M_BH) (a, b, c, and d, respectively), for barred AGN galaxies (solid lines), AGNs in pair systems (dashed lines), and unbarred AGNs in the control sample (dotted lines). Each bin for each sample contains a similar number of galaxies. The average number of galaxies in each bin is ≈93 for barred-agn, ≈270 for agn in pairs and ≈110 for CS.