Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 11841 result(s) returned

Using Interaction Analysis to reveal Self-Regulated Learning in Virtual Communities
Aim of this paper is to analyse whether Interaction Analysis can help investigate the practice and development of Self-Regulated Learning (SRL) in Virtual Learning Communities (VLC). Interaction analysis is increasingly used to study learning dynamics within online activities. It proceeds by searching expressions that reveal the aspects under study in the written messages exchanged by the learners. To this end, we devised and classified a number of indicators suggesting the existence of self-re
Author(s): Dettori Giuliana,Persico Donatella

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Internet Scout Project
Operating as the nonprofit research campus of the University and Community College System of Nevada, the Desert Research Institute (DRI) conducts more than $27 million in environmental research each year with the help of its approximately 400 research faculty and support staff. The informational research page of the main Web site offers descriptions; publications; links; and other relevant facts from the various arms of the institute, which include the Division of Atmospheric Sciences, Division
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Mapcar: a framework to support the elaboration of the conceptual model of a Knowledge Based System
Constructing a knowledge based system requires the identification of the conceptual primitives and problem-solving strategy that will permit capturing the expertise in an adapted way. This paper presents an approach to support the elaboration of such a conceptual model by data-abstraction. Our work is motivated by the objective of constructing models that correspond to how experts solve problems, which is required for some applications, as, for example, presenting problem-solving in an education
Author(s): Tchounikine Pierre

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Internet Scout Project
One of the most important pieces of technology being used to search Iraq for evidence of weapons is a 48-year old spy plane. The U-2, which was first flown in the beginnings of the Cold War, has withstood the test of time and continues to be widely used by the US. This site provides details about the history of the U-2. It also describes many technical aspects involved in flights, such as the advanced sensor systems and pilot life support.
Author(s): Bonne, Jon.

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This site, posted by the US Department of Energy's Sandia National Laboratories, "provides access to a comprehensive set of databases on metal-hydrogen systems, their properties, applications, literature sources, and profiles of organizations involved in metal-hydrogen development." Metal hydrides are important because they are commonly used in batteries and as hydrogen fuel storage cells for autos and power generation (a fossil fuel alternative). The technical part of the database has hydride m
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Stagecast Creator™ and Webct™: An integrated use of computer programming and a virtual learning en
This paper reports on an effort to use Stagecast Creator™ as a means for developing modelling skills among undergraduate students taking an introductory course in science that took place in a virtual learning environment (WebCT™). An inquiry-based curriculum was implemented, which guided students working in small groups to collect and study moon observations and construct a series of successive models of the moon phases using Stagecast Creator™. Students’ reflective journals and reports of s
Author(s): Nicolaou Christiana Th.,Constantinou Constantinos

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Internet Scout Project
The Understanding the Universe Web site is part of Discovery.com's excellent educational resource DiscoverySchool.com site and is a joint effort with the American Museum of Natural History. This attractive site contains three major sections. The It's Awesome page has a time line of the universe that links to the Universe in One Year page -- a great way of learning the difficult concept of geologic time by showing that, if the history of the universe was compressed into one year, modern humans wo
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Investigating human computer interaction issues in designing efficient virtual learning environments
Today, when an enormous number of computer-based systems exist, the human activities are being computer mediated. Usually, in designing the interface to those systems, the human-computer interaction is left behind without consideration. In this paper, a literature in human-computer interaction is to be reviewed and the technology aspect of human computer interaction is to be analyzed. Also, general design principles are to be reviewed. According to all these issues, recommendations to designing
Author(s): Fetaji Majlinda,Loskoska Suzana,Fetaji Bekim,Ebibi

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Do two heads search better than one? Effects of student collaboration on Web search behavior and sea
This study compared Pairs of students with Single students in Web search tasks. The underlying hypothesis was that peer-to-peer collaboration encourages students to articulate their thoughts, which in turn has a facilitative effect on the regulation of the search process as well as search outcomes. Both hypotheses were supported by the results. Pairs located the target information more often and in less time than Singles did. Pairs also employed a richer repertoire of search strategies and were
Author(s): Lazonder Ard

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Internet Scout Project
The page on the Ekati Diamond Mine, which is located in the Northwest Territories and is North America's only operating diamond mine, presents two sizes of satellite images and informational text. A nifty feature of the Ekati page is a section where users can compare the satellite imagery to ground images of particular features (e.g., tundra, glacial eskers, and heath) of the mine area. Other highlights include a satellite view of the excavated terraces and blast sites of this pit mine and a tim
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Les graphes argumentatifs interactifs sur Internet : sont-ils plus efficaces comme média du débat
Nous présentons les résultats d'une expérience menée dans le cadre du projet européen SCALE. Le but de cette recherche était d'étudier l'influence du type d'utilisation du graphe argumentatif durant des débats pédagogiques sur Internet. Précisément, il s'agissait de savoir sur le graphe argumentatif était plus efficace lorsqu'il était utilisé comme médium du débat (C1) ou comme moyen de le représenter (C2). Dans cet objectif, nous avons évalué à l'aide d'une méthode original
Author(s): Molinari Gaëlle,Baker Michael J.,Sejourne Arnauld

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Knowledge Convergence in Computer-Supported Collaborative Learning: The Role of External Representat
This study investigates how two types of graphical representation tools influence the way in which learners use knowledge resources in two different collaboration conditions. In addition, the study explores the extent to which learners share knowledge with respect to individual outcomes under these different conditions. The study also analyzes the relationship between the use of knowledge resources and different types of knowledge. The type of external representation (content-specific vs. conten
Author(s): Fischer Frank,Mandl Heinz

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Multiple Sclerosis - Cranial Nerves Exam - Hypoglossal (CN XII) Sub-exam - Patient 20
Janie is a 39-year-old Caucasian female who initially presented with weakness and L'Hermitte’s phenomena at the age of 35. Initially mistaken as a TIA, MRI of the brain revealed numerous plaques in the white matter suggesting Multiple Sclerosis. Her lumbar puncture initially failed to demonstrate the presence of oligoclonal bands, but since progression of the disease over the past few years bands have developed.
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Conceptual Physics
This is a nonmathematical physics textbook, designed so that it can be used either for a semester-length course of the type popularized by Hewitt, or for a shorter course of 8 or 10 weeks. This book is essentially a rewritten version of Discover Physics. The rewrite is intended to do two things: (1) make the book less closely tied to a particular method of teaching, and (2) make it possible to use the book in shorter courses (such as Fullerton College's Physical Science 103A) with the omission o
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The CoVis Project: Building a Large-Scale Science Education Testbed
This paper describes the construction and research program of the Learning Through Collaborative Visualization (CoVis) Project. a testbed for exploring science education reform with telecommunications technology. The CoVis testbed is contrasted with other forms of cducational research in an "ecolo~yo f paradigms." which argues that testbeds are in fact a new setting for research with different requirements and challenges for the researcher. Two extended examples of telecommunications research ar
Author(s): Gomez Louis M.,Fishman Barry J.,Pea Roy D.

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The greenhouse effect visualizer: a tool for the science classroom
The Greenhouse Effect Visualizer (GEV) is designed to help students visualize data sets related to the earth's energy balance. This work was inspired by the benefits scientific visualization have provided to scientists in discovering patterns and presenting the results of their work to broad communities. The hope is that scientific visualization can provide equal assistance to students trying to learn science. The philosophy underlying this approach links learning with practice. Hence, students
Author(s): Gordin Douglas N.,Edelson Daniel C.,Pea Roy D.

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Neuropathy - Coordination Exam - Lower Extremities Sub-exam - Patient 7
This 61-year-old man has had slowly progressive gait disturbance and weakness of his legs for 14 years. He has developed a limp in both legs, and his feet trip on objects and on uneven floor surfaces resulting in falls. He feels uncoordinated and unbalanced especially in the dark. He has to use a cane to assist ambulation. For the last 10 years, he has had numbness and tingling in both lower extremities. This began in his toes and now has extended proximally to his knees.
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Urinary Catheterization - Female
This video demonstrates the urinary catheterization procedure in a 63 year old female patient admitted to hospital with a complaint of urinary retention. The specific procedure shown is the two-way, indwelling Foley catheter. The video covers the patient interview, preparing oneself for the procedure following all universal precautions, preparation of the equipment tray, insertion of the catheter using and maintaining sterile technique, catheter removal and appropriate disposal of all used equip
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CBC Interpretation
This tutorial is designed to aid first and second year medical students learn how to interpret a complete blood count. It includes material on how the test is done, its general application and pitfalls in interpretation.
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A Dynamic component-based approach to design and implement Grid Services
Regarded as the following step of conventional distributed computing, grid computing becomes more and more popular. It puts the focus on large-scale resource sharing, including new pervasive technologies.To allow heterogeneous entity to share their resource, and more interesting their information and their knowledge, it is necessary to propose solution for integration and interoperability. Our aim is to propose an approach viewing component like an abstraction of grid services.In this paper we t
Author(s): Lacouture Jérôme,Aniorté Philippe

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