Boris Sidis Quote

The psycho-physiological hypothesis is both inductively and deductively the sine qua non of the science of psychology.


p. 86 - The Foundations of Normal and Abnormal Psychology (1914)


The psycho-physiological hypothesis is both inductively and deductively the sine qua non of the science of psychology.

The psycho-physiological hypothesis is both inductively and deductively the sine qua non of the science of psychology.

The psycho-physiological hypothesis is both inductively and deductively the sine qua non of the science of psychology.

The psycho-physiological hypothesis is both inductively and deductively the sine qua non of the science of psychology.