Instrumental and value rationality

The terms "Instrumental rationality" and "value rationality" refer to two types of action identified by sociologist Max Weber.

Instrumental rationality is a type of social action where the means are rationally chosen to efficiently achieve a specific end. Value rationality is social action driven by a conscious, unconditional belief in the value of the action itself, independent of its success or consequences.

The terms were introduced by sociologist Max Weber, who observed people attaching subjective meanings to their actions. Acts people treated as conditional means he labeled "instrumentally rational." Acts people treated as unconditional ends he labeled "value-rational."