Theory

Science / Chemistry / Theory: Theories are well-established explanations for experimental data. To become established, the theory must experimentally tested by many different investigators. Theories usually can not be proven; a single contrary experiment can disprove a theory.

Miasma Theory

Health / Disease / Miasma Theory: The theory that diseases were caused by miasma or bad air arising from organic decay, filth, or other conditions of the local environment. MORE

Germ Theory

Health / Disease / Germ Theory: The theory that microorganisms are the cause of many diseases. Highly controversial when first proposed. cf. miasma theory MORE

Market Segmentation Theory Or Preferred Habitat Theory

Business / Finance / Market Segmentation Theory Or Preferred Habitat Theory: A biased expectations theory that asserts that the shape of the yield curve is determined by the supply of and demand for securities within each maturity sector. MORE

Substratum Theory

Entertainment / Literature / Substratum Theory: The idea that an original language in a region alters or affects later languages introduced there. Contrast with the superstratum theory. MORE

Ding-Dong Theory

Entertainment / Literature / Ding-Dong Theory: The linguistic theory that language began as instinctive responses to stimuli (Algeo 316). MORE

Hygiene Theory

Business / Human Resources (HR) / Hygiene Theory: Studies conducted by Frederick Herzberg used to better understand employee attitudes and motivation and what factors cause job satisfaction and dissatisfaction. Also referred to as the Motivation-Hygi MORE

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