Abstract
Psychology is unique among the sciences in its joint concern with dual worlds: (a) internal world of feeling and thought, and (b) external world of stimulus and response. The first major movement in psychology, the introspectionist movement of the late 1800s, took the inviting direct attack of studying the internal world with conscious report. Introspective methods, however, led to disarray. They were replaced by an intolerant behaviorism that allowed only observables of the external world. Many important results were thus obtained as with animal conditioning and rote learning.
Highlights
Psychology is unique among the sciences in its joint concern with dual worlds: (a) internal world of feeling and thought, and (b) external world of stimulus and response
A unified approach is possible based on three mathematical laws of information integration
Three simple mathematical laws—adding, averaging, multiplying—have been demonstrated in experimental studies in most areas of human psychology, from psychophysics and learning, to social attitudes and moral judgment. These three laws allow for personal values of each individual person
Summary
Information Integration Theory: Unified Psychology based on three mathematical laws. They were replaced by an intolerant behaviorism that allowed only observables of the external world. The result has been continued fragmentation of the psychological field into largely insular areas, all of great interest, but with little progress on unifying the internal and external worlds. A unified approach is possible based on three mathematical laws of information integration. These are laws of the internal world. They relate unobservables of the internal world with observables in the external world These integration laws have done well in almost every area of human psychology, from affect, motivation, attitude, and person cognition to learning, perception, and judgment-. They are jointly nomothetic , holding across age and culture, and idiographic , allowing personal values of each individual person (Anderson, 2013, 2015)
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