<p> Supplemental Materials to be posted for online reference</p><p>Appendix</p><p>Survey of Participation in Public Policy Advocacy</p><p>Section I: Involvement in Advocacy</p><p>1. I advocate for issues within my specific field of psychology (e.g., clinical psychology, school psychology, counseling psychology)</p><p> o Very frequently o Somewhat frequently o Rarely o Never</p><p>2. I advocate for issues outside of my specific field of psychology</p><p> o Very frequently o Somewhat frequently o Rarely o Never</p><p>Section II: Barriers to Advocacy</p><p>Please rank how relevant each of the following factors is in inhibiting you from participating in public policy advocacy activities.</p><p>1. I do not have time</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>2. I am not aware of opportunities to become involved</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>3. I do not have an interest in participating o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>4. I do not believe there is a need for public policy advocacy</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>5. I do not believe my participation in advocacy will generate much of an effect</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>6. I have had poor past experience(s) with public policy advocacy</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>7. I do not want to give out my information and/or be put on any “lists”</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>8. I do not believe I have enough knowledge to competently discuss public policy issues</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant 9. I do not believe I am persuasive enough</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>10. I am not aware of the current public policy advocacy issues</p><p> o Very relevant o Somewhat relevant o Somewhat irrelevant o Very irrelevant</p><p>Section III: Demographics</p><p>1. Age</p><p> o 18-24 o 25-29 o 30-34 o 35-39 o 40-44 o 45-49 o 50-54 o 55-59 o 60-64 o 65 or older</p><p>2. Gender:</p><p> o Female o Male</p><p>3. Please describe your current connection with the university</p><p> o Faculty o Student o Staff o Alumni 4. If a student, currently seeking ______degree:</p><p> o Bachelor’s o Master’s o Specialist o Doctorate o Not applicable o Other (please specify)</p><p>5. If faculty or staff, highest degree held:</p><p> o Bachelor’s o Master’s o Specialist o Doctorate o Not applicable o Other (please specify)</p><p>6. Which of the following best describes your political orientation?</p><p> o Very liberal o Somewhat liberal o Moderate o Somewhat conservative Table 2</p><p>ANOVA for the Stepwise Regression Lack of Awareness on Advocacy Efforts</p><p>Sum of df Mean F Squares Square</p><p>Regression 8.373 1 8.373 17.270**</p><p>Residual 26.181 54 .485</p><p>Total 34.554 55</p><p>**p < .001 Table 3</p><p>Factor Loadings for Principal Components Analysis with Varimax Rotation of Barriers to Advocacy</p><p>Perceived barrier to advocacy Disinterest Uncertainty Unawareness</p><p>No time -.424</p><p>Unaware of opportunities .578 .613</p><p>Lack of interest .724</p><p>Belief that there is no need for advocacy .712</p><p>Belief that participation will be .803 ineffective</p><p>Poor past experiences .644</p><p>I do not want to give out my information .511</p><p>Lack of knowledge to discuss issues .715</p><p>Belief that person lacks persuasiveness .537 .432 -.484</p><p>Unaware of current issues .852 </p>