1. Classical Realism – Newton/ Einstein – scientific theories describe the world independent of the observer; models are replicas of the structure of world
2. Instrumentalism – scientific theories are human constructs, are practical and useful, but don’t tell us anything about how the world actually is
3. Critical Realism – theories are partial representations of limited aspects of the world as it interacts with us
Review this section of Barbour pp. 74-75 Attached
Discuss which theory of knowledge makes the most sense to you.