PSYCH 2H03 Lecture 1: Intro to Cognitive Psychology: History
10 Jan 2017
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Wilhelm wundt: 1832-1920, edward titchener 1867-1927, william james 1842-1910. Problems of this: you are trying to study thoughts, but thoughts are not directly observable and data cannot be collected. To investigate relationship of physical stimuli and the sensation produced. First method to quantitatively study human responses. Ernest weber 1895-1878 the amount of physical energy necessary to produce a change in sensation in proportional to the orginial level of physical energy. Mathematical theory based on weber"s discovery; physical energy and the psychological experience of that energy are related by a logarithmic function, quantitatively study psychology. Theoretical constructs in any science are meaningful only to the extent that they can be observed. Conscious experience is subjective, and therefore unreliable and unveri able. It is not necessary to refer to psychological processes to understand behaviour. Out of the shadows: emergence of cognitive psychology.
