oper - over
- operant conditioning or learning
- operational definition
- operational model
- operationalization
- operationalize
- opinion polls
- opinion-poll
- opportunity structure
- optimal matching
- oral historians
- oral histories
- oral history
- order, social
- ordinal scales
- organic (or biological) analogy
- organic analogy
- organic composition of capital
- organic management systems
- organic nationalism
- organic solidarity
- organization
- organization man
- organization theorists
- organization theory
- Organization theory
- organization, formal
- organizational culture
- Organizational Design Movement
- organizational reach
- organizational theory
- organized crime
- oriental despotism
- orientations to work
- original income
- Osgood's semantic differential scale
- Ossowski, Stanislaw
- other-directedness
- out-group
- outlier effects
- outwork
