1 Subjects: “...human health, human-nature connection theory...”

2 Subjects: “...Mathematical theory of computation / bicssc...”

3 Subjects: “...conspiracy theories...”

4 Subjects: “...graph theory...”

5 Subjects: “...model theory...”

6 Subjects: “...learning theory...”

7 Subjects: “...signaling theory...”

8 Subjects: “...protection motivation theory...”

9 Subjects: “...network flow theory...”

10 Subjects: “...theory of planned behavior....”

11 Subjects: “...protection motivation theory...”