Scientific theories must have testable predictions. Predictions are made based on observations and then experiments can be done to test the theoretical predictions. The experiments will either verify or falsify the predictions made. Here we are going to discuss the hypotheses of phyletic gradualism and punctuated equilibrium. The pattern of evolution can be described as happening gradually‚ over time‚ as in the hypothesis of phyletic gradualism or by punctuated equilibrium. In the theory of punctuated
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Adolescents With Cystic Fibrosis: A Test of Orem’s Theories of Self-Care and Self-Care Deficit Lois K. Baker‚ PhD‚ RN‚ CPNP Mary J. Denyes‚ PhD‚ RN‚ FAAN Pediatric nurses often struggle to find ways to encourage adolescents with cystic fibrosis (CF) to engage in self-care that is essential to their health and life. A study of predictors of self-care was conducted to provide a stronger evidence base for nursing practice with these youth. Orem’s theories of self-care and self-care deficit were tested
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Motivation Theory Needs – drives – behaviour – goals – reduction or release of tension Behaviour is both directed to‚ and results from‚ unsatisfied needs. The word unsatisfied is most important. As Maslow says‚ “If we are interested in what actually motivates us and not what has or will‚ or might motivate us‚ then a satisfied need is not a motivator.” Kelly’s model of motivation presents a sort of chicken-egg dilemma. Which comes first‚ the goal or the need? When we talk about behaviour being
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Swanson’s Middle Range Nursing Theory of Caring By: Shari Semelroth RN‚ BSN Mennonite College of Nursing Abstract Do we honestly make an effort to improve the environment‚ care‚ medical treatment‚ and interactions with those patients who are suffering a loss? Do we adequately provide the care that they need? These questions are answered in Swanson’s Middle Range Theory of Caring. We examine the five caring processes and their applications to one’s daily nursing routines. Many healthcare organizations
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Positive Accounting Positive economic theory and accounting practices are objective and based on fact. Positive accounting focuses on analyzing the economic statistics and data at hand‚ and deriving conclusions based on those figures. For example‚ if corporate growth allows a company to increase shareholder dividends over previous dividend payments‚ positive accounting theory would conclude that corporate growth causes a rise in stockholder dividends. Most bookkeeping and data collection involved
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Piaget’s Cognitive Development Theory Rebekah Wright Nutrition and Health of Children and Families Angela Stratton March 25‚ 2013 Cognitive Development I have chosen the theory of Piaget‚ which is the theory of cognitive development. I have chosen this particular theory‚ because I believe it to be one that covers a wide range of development of children and what they learn and how they learn as they grow. The main objective of Piaget’s theory is to be able to explain the developments of the
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The Coherence Theory of Truth First published Tue Sep 3‚ 1996; substantive revision Tue Sep 9‚ 2008 A coherence theory of truth states that the truth of any (true) proposition consists in its coherence with some specified set of propositions. The coherence theory differs from its principal competitor‚ the correspondence theory of truth‚ in two essential respects. The competing theories give conflicting accounts of the relation between propositions and their truth conditions. (In this article‚ ‘proposition’
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Topic: Rational Choice Theory Rational Choice Theory With the exception of a person who has a severe mental disability‚ every human thinks and weighs out the benefits and the consequences of a crime they are about to commit. People do not get as much credit for committing a crime as they should and this can result in getting a lesser punishment. Rational choice theory states that law violating behavior is the result of carful thought and planning. This theory has been used by many scientists
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Post-colonialial theory as a recent field of study has lately become one of the most attractive academic disciplines - if it can be called a discipline - that incessantly triggers piles and piles of literature written by art of critics‚ social reformists‚ political scientists‚ literary critics and political economists. The continuous expansion of post-colonialism in its recent version made its own domains of interest and areas of functionality overlap with other fields of global academic studies
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Introduction Accounting is a very old science as it is strictly related to the first forms of trade in the old world. According to Belkaoui (1992: 22)‚ the Committee on Terminology of American Institute of Certified Public Accountants (AICPA) defines accounting as follows: "Accounting is the art of recording‚ classifying and summarising in a significant manner and in terms of money‚ transactions and events which are in part at least‚ of a financial character‚ and interpreting the results thereof
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