Structural-block model Model fit Standard coefficient Significance Greater/fewer ties† N Adjusted R-square Probability H1c (i): Environmental values 2070 0.018 0.129 nonresponse to nonresponse 0.001 0.09 + nonresponse to dominant social paradigm -0.03 0.07 + nonresponse to ecocentrist -0.02 0.09 + dominant social paradigm to nonresponse 0.06 0.10 - dominant social paradigm to dominant social paradigm 0.04 0.31 - dominant social paradigm to ecocentrist 0.12 0.14 - ecocentrist to nonresponse -0.01 0.13 + ecocentrist to dominant social paradigm -0.09 0.02 + ecocentrist to ecocentrist (intercept) 0 0.10 + H1c (iv): Political ideology 2070 0.019 0.111 nonresponse to nonresponse -0.04 0.26 - nonresponse to Liberal -0.04 0.28 - nonresponse to Conservative -0.04 0.21 - Liberal to nonresponse 0 0.43 - Liberal to Liberal 0.02 0.43 + Liberal to Conservative -0.02 0.32 - Conservative to nonresponse 0.04 0.14 - Conservative to Liberal 0.11 0.00 + Conservative to Conservative (intercept) 0 0.49 + H1d: Expertise 2070 0.006 0.59 nonresponse to nonresponse -0.08 0.09 + nonresponse to nonscientist -0.11 0.07 + nonresponse to scientist -0.07 0.09 + nonscientists to nonresponse -0.08 0.10 + non-scientists to nonscientist -0.03 0.31 + nonscientists to scientist -0.06 0.14 + scientist to nonresponse -0.03 0.13 + scientist to nonscientist -0.09 0.02 - scientist to scientist (intercept) 0.00 0.10 -

Note: Bold typeface denotes a significant relationship.

† Greater ties than expected = (+); fewer ties than expected = (-).