Up: Psychology Lecture 1
Previous: Psychology Lecture 1
Till the middle of the 19th C, psychology was a mainly speculative
discipline involving metaphysical debates on the nature of mind.
Kant's scepticism about the possibility of a science of psychology
discouraged empirical investigation. Around the mid 19th C. however
several currents of thought in philosophy and science contributed to
the development of experimental psychology.
- In Philosophy - Critical empiricism (eg. Popper), Positivism,
- In Science - Physiology, Theory of Evolution, Atomism, Quantification,
In the 20th century the major influence came from Logical
- Rejection of metaphysics (statements are meaningful only if they
- Only two sources of knowledge - logical reasoning (analytic
a priori) and empirical experience (synthetic a posteriori)
- Correspondence rules link theoretical to observational terms (analytic)
- Theoretical axioms express observational portion of theory (synthetic)