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A Comparison of Model-Tracing and Constraint-Based Intelligent Tutoring Paradigms
Two approaches to building intelligent tutoring systems are the well-established model-tracing paradigm and the relatively newer constraint-based paradigm. Proponents of the constraint-based paradigm claim that it affords performance at levels comparable to that of model-tracing tutors, but with significantly less development effort. We have built both a model-tracing and constraint-based tutor for the same problem domain (statistical hypothesis testing) and report on our findings with the goals
Author(s): Kodaganallur Viswanathan,Weitz Rob R.,Rosenthal Da

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Students' adaptation to a new situation: the design of an experimental procedure
Different studies (Arce and Betancourt, 1997; Séré, 2002) emphasize the importance of the task of experimental procedure design in a learning context. However, the required design is a difficult task for students (Séré and Beney, 1997). Consequently, students are hardly ever allowed to design their own experiment. The study by Tiberghien et al. (2001) showed that “to learn how to plan an investigation in order to address a specific question or problem” was the least frequent process object
Author(s): Girault Isabelle,d'Ham Cedric,Cross David

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Basic Political Concepts
The goal of BASIC POLITICAL CONCEPTS is to provide exactly what the title suggests: a small set of carefully defined and interrelated words that can be used to describe and analyze a wide range of political phenomena and issues.
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Mint Your Own Coin
This OLogy activity explores the symbolic and archaeological importance of coins. The activity opens by introducing kids to the elements of coins: dates, names, images, mottoes, and materials. Then, kids are given step-by-step illustrated directions for designing a coin. The activity includes a Global Coin Collection, a printable PDF handout with photographs of coins from 14 countries, and an introduction to the kid who has collected these coins.
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The use case specification of actions in the goal oriented knowledge based learning environment
The proposed goal oriented knowledge acquisition and assessment are based on the flexible educational model and allows to implement an adaptive control of the enhanced learning process according to the requirements of student's knowledge level, his state of cognition and subject learning history. The enhanced learner knowledge model specifies how the cognition state of the user will be achieved step by step. The use case actions definition is a starting point of the specification that depends o
Author(s): Baniulis Kazys,Tamulynas Bronius

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A Woman's Work: Mary Lease Celebrates Women Populists
Women are not often thought of in association with the Populists, but the best-known orator of the movement in the early 1890s was a woman, Mary Elizabeth Lease. Born in Pennsylvania in 1850 to Irish parents, Lease became a school teacher in Kansas in 1870. She and her husband, a pharmacist, spent ten years trying to make a living farming, but finally gave up in 1883 and settled in Wichita. Lease entered political life as a speaker for the Irish National League, and later emerged as a leader of
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The Chicken or the Egg: Agency and Autonomy in Informed Consent
One of the fastest growing global markets is pharmaceutical sales. With changing political landscapes and an increased awareness of new customers worldwide, sales have increased in Eastern Europe, Asia, and especially Latin America. As researches expand into countries with poor socio-economic and political infrastructures, guidelines such as the Helsinki Declaration, the Nuremburg Code, and the Belmot principles are being challenged. Regulatory and ethical guidelines have not
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Time for Design
Students are introduced to the engineering design process, focusing on the concept of brainstorming design alternatives. They learn that engineering is about designing creative ways to improve existing artifacts, technologies or processes, or developing new inventions that benefit society. Students come to realize that they can be engineers and use the design process themselves to create tomorrow's innovations.
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Take Off with Paper Airplanes
This lesson introduces students to the art of designing an airplane through paper airplane constructions. The goal is that students will learn important aircraft design considerations and how engineers must iterate their designs to achieve success. Students first follow several basic paper airplane models, after which they will then design their own paper airplane. They will also learn how engineers make models to test ideas and designs.
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Traveling Sound
Students explore how sound waves move through liquids, solids and gases in a series of simple sound energy experiments. Understanding the properties of sound and how sound waves travel helps engineers determine the best room shape and construction materials when designing sound recording studios, classrooms, libraries, concert halls and theaters
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Sports and Spine Physicians
Active lifestyles range from hard-driving athletes to parents playing ballwith their kids. When injury or illness takes away the ability to pursue those activities, it affects both physical and emotional health. The UW Medicine Sports and Spine Physicians team is dedicated to restoring maximum function so their patients can be fit for life. .

To view the full Inside Access program, go to Inside Access
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Coin
A follis (copper coin) minted prior to 539 used between the reigns of Anastasius I and Justinian I.
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Physical rights are retained by the institution. Copyright is retained in accordance with U.S. Copyright laws.

The Free Speech Movement
The Free Speech Movement (FSM) was a college campus phenomenon inspired first by the struggle for civil rights and later fueled by opposition to the Vietnam War. The Free Speech Movement began in 1964, when students at the University of California, Berkeley protested a ban on on-campus political activities. The protest was led by several students, who also demanded their right to free speech and academic freedom. The FSM sparked an unprecedented wave of student activism and involvement. Many ima
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California Cultures
California Cultures documents California's rich history of diversity and multicultural contributions. This collection including photographs, documents, newspaper clippings, political cartoons, works of art, oral histories, and other primary sources draws from Calispheres total content, and also features more than 20,000 specially digitized primary sources from special contributors.
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Organization of Parties
Political parties in America are organized much like the federal government—each has offices at the national, state, and local levels. Each level has a committee and chairperson to oversee party activities. (Video is narrated with slides and speeches.)

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Pump It Up!
Students learn about their circulatory system by designing a pumping device that will effectively pump fluid through a given cardiovascular system.
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Magnet Circus
Explore the properties of magnets by designing a device that can move as far as possible using only magnets to move it, and then design a machine that will stay in motion for the greatest period of time.
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APEX Calculus
The table of contents for this book is as follows:Table of Contents iii1 Limits 11.1 An IntroducƟon To Limits . . . . . . . . . . . . . . . . . . . . . 11.2 Epsilon-Delta Definition of a Limit . . . . . . . . . . . . . . . . 91.3 Finding Limits Analytically . . . . . . . . . . . . . . . . . . . . . 161.4 One Sided Limits . . . . . . . . . . . . . . . . . . . . . . . . . 281.5 Continuity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361.6 Limits involving infinity . . . . . . . . . .
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France Since 1871
This course covers the emergence of modern France. Topics include the social, economic, and political transformation of France; the impact of France's revolutionary heritage, of industrialization, and of the dislocation wrought by two world wars; and the political response of the Left and the Right to changing French society.
Author(s): jsl57

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The Structures of Life
This site takes us into the world of structural biology -- a branch of molecular biology that focuses on the shape of nucleic acids and proteins (the molecules that do most of the work in our bodies). Learn about the structures and roles of proteins, tools used to study protein shapes, how proteins are used in designing new medications (for AIDS and arthritis), and what structural biology reveals about all life processes. Find out about careers in biomedical research.
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