- iatrogenesis
- id
- ideal speech situation
- ideal type
- idealism
- identity
- identity crisis
- ideographic versus nomothetic approaches
- ideological state apparatus
- ideology
- illness
- images of society
- imagined community
- immanence
- immigration
- imperialism
- import-substitution industrialization
- impression formation
- impression management
- in-group
- incarceration
- incentive payments
- incest taboo
- inclusion
- income distribution
- incommensurability
- incorporation
- independence
- independent variable
- index
