Atomist theory, atomistic theory, atomic theory, atomism - (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles the ancient greek philosophers democritus and epicurus held atomic theories of the universe. How to develop a theory three parts: conceiving a theory testing hypotheses accepting and expanding a theory community q&a a theory explains why something happens or how several things are related it is the how and the why of an observable what. The practicality of nursing theory in the future the future of health care is causing rise to much uncertainty in the delivery of care to clients in need both directly and indirectly. What economists call game theory psychologists call the theory of social situations, which is an accurate description of what game theory is about although game theory is relevant to parlor games such as poker or bridge, most research in game theory focuses on how groups of people interact.
A hypothesis is an educated guess, based on observation it's a prediction of cause and effect usually, a hypothesis can be supported or refuted through experimentation or more observation a hypothesis can be disproven, but not proven to be true. The james-lange theory of emotion represents just one of the earliest theories while the theories has been criticized and altered considerably over the years, james's and lange's ideas continue to exert and influence today. A theory is a formal idea or set of ideas that is intended to explain something marx produced a new theory about historical change based upon conflict einstein formulated the theory of relativity in 1905.
The theory of evolution, for example, is a general theory that helps to explain where humans came from, the relationships between species, and the changes in species over time scientific vs. Community-based change initiatives often have ambitious goals, and so planning specific on-the-ground strategies to those goals is difficult likewise, the task of planning and carrying out evaluation research that can inform practice and surface broader lessons for the field in general is a. However, in the scientific community, a scientific theory is an explanation of a phenomenon that has been tested over time a theory begins as an educated guess, known formally as a hypothesis. In everyday use, the word theory often means an untested hunch, or a guess without supporting evidence but for scientists, a theory has nearly the opposite meaning a theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts the. A theory is a set of accepted beliefs or organized principles that explain and guide analysis and one of the ways that theory is defined is that it is different from practice, when certain principles are tested.
In technical or scientific use, theory, principle, and law represent established, evidence-based explanations accounting for currently known facts or phenomena or for historically verified experience: the theory of relativity, the germ theory of disease, the law of supply and demand, the principle of conservation of energy. The big bang theory is the leading explanation about how the universe began at its simplest, it says the universe as we know it started with a small singularity, then inflated over the next 138. The ramzi theory claims to be able to determine fetal gender by as early as six weeks into a pregnancy, using a 2d ultrasound but just how sound is this theory what is the ramzi theory. ‘in theory it may seem like a great idea but, in theory, so do so many ideas until they are put into practice’ ‘the precautionary principle sounds good in theory, but in practice it is a nightmare. Chart and diagram slides for powerpoint - beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects our new crystalgraphics chart and diagram slides for powerpoint is a collection of over 1000 impressively designed data-driven chart and editable diagram s guaranteed to impress any audience.
A theory is a group of linked ideas intended to explain something a theory provides a framework for explaining observations the explanations are based on assumptions from the assumptions follows a number of possible hypotheses they can be tested to provide support for, or challenge, the theory. The y (thē′ə-rē, thîr′ē) n pl the ies 1 a set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena 2 the branch of a science or art consisting of its explanatory statements. The meaning of ‘theory’∗ gabriel abend northwestern university ‘theory’ is one of the most important words in the lexicon of contemporary so-ciology yet, their ubiquity notwithstanding, it is quite unclear what sociologists. Theories are one of the pinnacles of science and are widely accepted in the scientific community as being true a theory must never be shown to be wrong if it is, the theory is disproven.
A theory is a contemplative and rational type of abstract or generalizing thinking, or the results of such thinking  depending on the context, the results might, for example, include generalized explanations of how nature works. Relativism, roughly put, is the view that truth and falsity, right and wrong, standards of reasoning, and procedures of justification are products of differing conventions and frameworks of assessment and that their authority is confined to the context giving rise to them. Theory-theory (or ' theory theory ') is a scientific theory relating to the human development of understanding about the outside world this theory asserts that individuals hold a basic or 'naïve' theory of psychology ( folk psychology ) to infer the mental states of others,  such as their beliefs, desires or emotions. Constructivism is a major learning theory, and is particularly applicable to the teaching and learning of science piaget suggested that through accommodation and assimilation, individuals construct new knowledge from their experiences.
Critical theory has a narrow and a broad meaning in philosophy and in the history of the social sciences “critical theory” in the narrow sense designates several generations of german philosophers and social theorists in the western european marxist tradition known as the frankfurt school. Click on a linked theory name below to find details about the theory, some examples of is papers using the theory, and links to related sites please feel free to summarize a theory, add to the information already present, correct errors, or suggest additional theories for the list. Theory is a commitment to change oppressive structures and to connect abstract ideas with concrete problems for political action there has to be a commitment to do. Theory definition: 1 a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation: 2 if something is possible in theory, it should be possible, but often it does not happen in that learn more.
Theory x and theory y were first explained by mcgregor in his book, 'the human side of enterprise,' and they refer to two styles of management – authoritarian (theory x) and participative (theory y.