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. 2018 Jan 24;13(1):e0190954. doi: 10.1371/journal.pone.0190954

Table 2. Image search concepts used in image set generation.

Animals behaving immorally Hedonism Reminders that humans are animals too
Animals behaving morally Hierarchical Relationships Respect / Subversion
Benefitting one’s own group at the expense of others Hierarchy in the animal kingdom Rudeness
Care / Harm Inequality Sacrifice for the good of one's group
Compassion in the animal kingdom Injustice Sanctity / Degradation
Conformity Lack of Self Control Self-Control
Contamination Liberty / Oppression Selfishness
Cooperation / group behavior in the animal kingdom Loyalty / Betrayal Social Hierarchy
Cruelty Maintaining boundaries between groups Teamwork
Cruelty in the animal kingdom Naturalness Theft
Deception Obedience Tradition
Discrimination People behaving immorally Treachery
Equality People behaving morally Un-naturalness
Exploitation Politeness Unfairness
Fairness in the animal kingdom Proportionality (i.e. getting what one deserves) Untrustworthiness
Fairness/Cheating Proportionality (i.e. getting what one has earned) Wholesomeness
Generosity Reciprocity (i.e. paying back in kind)