sampling theory
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A look ahead, final review, other statistics courses, regression example, sampling from a finite population example.
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This lecture begins with the second half of the discussion on social psychology. Students will learn about several important factors influencing how we form impressions of others, including our ability to form rapid impressions about people. This discussion focuses heavily upon stereotypes, including a discussion of their utility, reliability, and the negative effects that even implicit stereotypes can incur. The second half of the lectur...more
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Smith explains that a theory of change in the social sector is roughly equivalent to a combination of the business model and strategy in the for-profit world. You need to identify a change and have a hypothesis about how to make it happen, she says. This is more complex in the social sector because, in additional to market forces, you have to deal with regulatory forces, emotional forces, social forces, and political forces, she adds. A se...more
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In this lecture, Professor Paul Fry examines trends in African-American criticism through the lens of Henry Louis Gates, Jr. and Toni Morrison. A brief history of African-American literature and criticism is undertaken, and the relationship of both to feminist theory is explicated. The problems in cultural and identity studies of essentialism, "the identity queue," expropriation, and biology are surveyed, with particular attention paid to ...more
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The final Enlightenment tradition left to be explored in this course is social contract theory, for which we must return to Locke and somehow secularize his views and reconcile them with the refutation of natural rights. Modern social contract theorists replace natural rights with Kant's categorical imperatives, and accept the Aristotelian notion that there is no such thing as pre-political man. They approach the social contract as a hypot...more
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Psychoanalytic theory illuminates the polarised nature of the asylum debate and the powerful feelings for and against refugees. Historic, literary and clinical examples reveal migration as part of human nature and the unconscious forces revolving around the concept of exile.
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In this introductory lecture, Professor Sylvia Ceyer introduces those throughout history who have contributed to the atomic theory of matter, beginning with Aristotle and Democritus, and ending with the work of Lavoisier, Proust, and Dalton. After disussing scanning tunnelling microscopy, Professor Ceyer moves to the major advances in chemistry at the end of the 19th century. These include Newtonian mechanics, thermodynamices, statistical...more
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This course uses the theory and application of atomistic computer simulations to model, understand, and predict the properties of real materials. Specific topics include: energy models from classical potentials to first-principles approaches; density functional theory and the total-energy pseudopotential method; errors and accuracy of quantitative predictions: thermodynamic ensembles, Monte Carlo sampling and molecular dynamics simulations...more
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In the first half of the lecture, we consider the chain-store paradox. We discuss how to build the idea of reputation into game theory; in particular, in setting like this where a threat or promise would otherwise not be credible. The key idea is that players may not be completely certain about other players' payoffs or even their rationality. In the second half of the lecture, we stage a duel, a game of pre-emption. The key strategic ques...more
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Behavioral Finance is a relatively recent revolution in finance that applies insights from all of the social sciences to finance. New decision-making models incorporate psychology and sociology, among other disciplines, to explain economic and financial phenomenon, such as erratic stock price variations. Psychological patterns such as overconfidence and perceived kinks in the value function seem to impact financial decision-making, but are...more
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The most prominent chemist in the generation following Lavoisier was Berzelius in Sweden. Together with Gay-Lussac in Paris and Davy in London, he discovered new elements, and improved atomic weights and combustion analysis for organic compounds. Invention of electrolysis led not only to new elements but also to the theory of dualism, with elements being held together by electrostatic attraction. Wöhler's report on the synthesis of urea re...more
