**Appendix A**

Figures Supporting Sections 4 and 5.

This appendix includes 36 figures (numbered Figures A1–A36) which present data which is discussed in Sections 4 and 5 of this paper. Each figure includes the data presented by age, educational level and gender. Figures for each metric are included that characterize respondents' own actions and beliefs, their perception of others' actions and beliefs and what they consider to be ideal.

**Figure A1.** Impact of article title on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A2.** Impact of article title on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

(**b**)

**Figure A3.** Ideal impact of article title on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

(**b**)

**Figure A5.** Impact of publisher on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A6.** Ideal impact of publisher on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A7.** Impact of publication date on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A8.** Impact of publication date on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A11.** Impact of article author on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

(**c**)

**Figure A12.** Ideal impact of article author on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A13.** Impact of article sponsors on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

(**c**)

**Figure A14.** Impact of article sponsors on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A15.** Ideal impact of article sponsors on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A16.** Impact of author's political alignment on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A17.** Impact of author's political alignment on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A18.** Ideal impact of author's political alignment on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

51

**Figure A20.** Impact of publisher's political alignment on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A21.** Ideal impact of publisher's political alignment on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A22.** Impact of sponsor's political alignment on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

54

55

**Figure A24.** Ideal impact of sponsor's political alignment on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A25.** Impact of opinion statement quantity on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A26.** Impact of opinion statement quantity on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A27.** Ideal impact of opinion statement quantity on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A28.** Impact of article virality on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A29.** Impact of article virality on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A30.** Ideal impact of article virality on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

63

**Figure A32.** Impact of article controversy level on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A33.** Ideal impact of article controversy level on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A34.** Impact of article reading level on respondents' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A35.** Impact of article reading level on others' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).

**Figure A36.** Ideal impact of article reading level on peoples' perspective of article trustworthiness and credibility by: (**a**) age (top), (**b**) educational level (middle) and (**c**) gender (bottom).
