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Luciano Ferrer

Poverty Impedes Cognitive Function | Science - 0 views

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    "Burden of Poverty Lacking money or time can lead one to make poorer decisions, possibly because poverty imposes a cognitive load that saps attention and reduces effort. Mani et al. (p. 976; see the Perspective by Vohs) gathered evidence from shoppers in a New Jersey mall and from farmers in Tamil Nadu, India. They found that considering a projected financial decision, such as how to pay for a car repair, affects people's performance on unrelated spatial and reasoning tasks. Lower-income individuals performed poorly if the repairs were expensive but did fine if the cost was low, whereas higher-income individuals performed well in both conditions, as if the projected financial burden imposed no cognitive pressure. Similarly, the sugarcane farmers from Tamil Nadu performed these tasks better after harvest than before. Abstract The poor often behave in less capable ways, which can further perpetuate poverty. We hypothesize that poverty directly impedes cognitive function and present two studies that test this hypothesis. First, we experimentally induced thoughts about finances and found that this reduces cognitive performance among poor but not in well-off participants. Second, we examined the cognitive function of farmers over the planting cycle. We found that the same farmer shows diminished cognitive performance before harvest, when poor, as compared with after harvest, when rich. This cannot be explained by differences in time available, nutrition, or work effort. Nor can it be explained with stress: Although farmers do show more stress before harvest, that does not account for diminished cognitive performance. Instead, it appears that poverty itself reduces cognitive capacity. We suggest that this is because poverty-related concerns consume mental resources, leaving less for other tasks. These data provide a previously unexamined perspective and help explain a spectrum of behaviors among the poor. We discuss some implications for poverty policy."
Luciano Ferrer

Sejda helps with your PDF tasks - 0 views

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    "We help with your PDF tasks Easy, pleasant and productive PDF editor "
Luciano Ferrer

16 Great Educational Web Tools and Apps for Inquiry-based Learning ~ Educational Technology and Mobile Learning - 0 views

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    "As a learning strategy, inquiry-based learning is all about learners constructing their own understanding and knowledge through asking questions. Unlike traditional learning methods that focus primarily on drills, memorization and rote learning, inquiry-based learning is essentially student-centered. It starts with posing questions and directly involves students in challenging hands-on activities that drive students to ask more questions and explore different learning paths. In today's post, we have assembled a collection of some useful web tools and apps that support the ethos of inquiry-based learning. Using these tools will enable students to engage in a wide range of learning tasks that are all driven by a sense of inquiry and questioning."
Carlos Magro

The Computer Delusion - The Atlantic - 7 views

  • IN 1922 Thomas Edison predicted that "the motion picture is destined to revolutionize our educational system and ... in a few years it will supplant largely, if not entirely, the use of textbooks."
  • William Levenson, the director of the Cleveland public schools' radio station, claimed that "the time may come when a portable radio receiver will be as common in the classroom as is the blackboard.
  • B. F. Skinner, referring to the first days of his "teaching machines," in the late 1950s and early 1960s, wrote, "I was soon saying that, with the help of teaching machines and programmed instruction, students could learn twice as much in the same time and with the same effort as in a standard classroom."
  • ...39 more annotations...
  • a bridge to the twenty-first century ... where computers are as much a part of the classroom as blackboards
  • We could do so much to make education available twenty-four hours a day, seven days a week, that people could literally have a whole different attitude toward learning
  • Larry Cuban, a professor of education at Stanford University and a former school superintendent, observed that as successive rounds of new technology failed their promoters' expectations, a pattern emerged
  • Today's technology evangels argue that we've learned our lesson from past mistakes
  • The promoters of computers in schools again offer prodigious research showing improved academic achievement after using their technology
  • killed its music program last year to hire a technology coordinator
  • The possibilities of using this thing poorly so outweigh the chance of using it well, it makes people like us, who are fundamentally optimistic about computers, very reticent
  • Perhaps the best way to separate fact from fantasy is to take supporters' claims about computerized learning one by one and compare them with the evidence in the academic literature and in the everyday experiences I have observed or heard about in a variety of classrooms.
  • Computers improve both teaching practices and student achievement.
  • Computer literacy should be taught as early as possible; otherwise students will be left behind.
  • To make tomorrow's work force competitive in an increasingly high-tech world, learning computer skills must be a priority.
  • Technology programs leverage support from the business community—badly needed today because schools are increasingly starved for funds.
  • Work with computers—particularly using the Internet—brings students valuable connections with teachers, other schools and students, and a wide network of professionals around the globe.
  • Connecting K-12 Schools to the Information Superhighway
  • begins by citing numerous studies that have apparently proved that computers enhance student achievement significantly
  • n the early 1980s Apple shrewdly realized that donating computers to schools might help not only students but also company sales, as Apple's ubiquity in classrooms turned legions of families into Apple loyalists
  • there is scant evidence of greater student achievement.
  • They're especially weak in measuring intangibles such as enthusiasm and self-motivation
  • Computers in classrooms are the filmstrips of the 1990s
  • Apple quickly learned that teachers needed to change their classroom approach to what is commonly called "project-oriented learning
  • students learn through doing and teachers act as facilitators or partners rather than as didacts.
  • the guide on the side instead of the sage on the stage
  • But what the students learned "had less to do with the computer and more to do with the teaching,
  • Even in success stories important caveats continually pop up. The best educational software is usually complex — most suited to older students and sophisticated teachers.
  • Part of the answer may lie in the makeup of the Administration's technology task force
  • Each chapter describes various strategies for getting computers into classrooms, and the introduction acknowledges that "this report does not evaluate the relative merits of competing demands on educational funding
  • Hypertext Minds
  • Today's parents, knowing firsthand how families were burned by television's false promises, may want some objective advice about the age at which their children should become computer literate
  • Opinions diverge in part because research on the brain is still so sketchy, and computers are so new, that the effect of computers on the brain remains a great mystery.
  • that the mediated world is more significant than the real one.
  • n the past decade, according to the presidential task force's report, the number of jobs requiring computer skills has increased from 25 percent of all jobs in 1983 to 47 percent in 1993
  • told me the company rarely hires people who are predominantly computer experts, favoring instead those who have a talent for teamwork and are flexible and innovative
  • Many jobs obviously will demand basic computer skills if not sophisticated knowledge. But that doesn't mean that the parents or the teachers of young students need to panic.
  • NEWSPAPER financial sections carry almost daily pronouncements from the computer industry and other businesses about their high-tech hopes for America's schoolchildren
  • High-tech proponents argue that the best education software does develop flexible business intellects
  • IT is hard to visit a high-tech school without being led by a teacher into a room where students are communicating with people hundreds or thousands of miles away — over the Internet or sometimes through video-conferencing systems (two-way TV sets that broadcast live from each room).
  • The free nature of Internet information also means that students are confronted with chaos, and real dangers
  • We need less surfing in the schools, not more
  • chooling is not about information. It's getting kids to think about information. It's about understanding and knowledge and wisdom
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    The Atlantic covers consequential news and ideas in politics, business, entertainment, technology, health, education, and global affairs.
Luciano Ferrer

Brain Drain: The Mere Presence of One's Own Smartphone Reduces Available Cognitive Capacity: Journal of the Association for Consumer Research: Vol 2, No 2 - 0 views

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    "Our smartphones enable-and encourage-constant connection to information, entertainment, and each other. They put the world at our fingertips, and rarely leave our sides. Although these devices have immense potential to improve welfare, their persistent presence may come at a cognitive cost. In this research, we test the "brain drain" hypothesis that the mere presence of one's own smartphone may occupy limited-capacity cognitive resources, thereby leaving fewer resources available for other tasks and undercutting cognitive performance. Results from two experiments indicate that even when people are successful at maintaining sustained attention-as when avoiding the temptation to check their phones-the mere presence of these devices reduces available cognitive capacity. Moreover, these cognitive costs are highest for those highest in smartphone dependence. We conclude by discussing the practical implications of this smartphone-induced brain drain for consumer decision-making and consumer welfare."
Luciano Ferrer

Inside the new economic science of capitalism's slow-burn energy collapse - 0 views

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    "New scientific research is quietly rewriting the fundamentals of economics. The new economic science shows decisively that the age of endlessly growing industrial capitalism, premised on abundant fossil fuel supplies, is over. The long-decline of capitalism-as-we-know-it, the new science shows, began some decades ago, and is on track to accelerate well before the end of the 21st century. With capitalism-as-we-know it in inexorable decline, the urgent task ahead is to rewrite economics to fit the real-world: and, accordingly, to redesign our concepts of value and prosperity, precisely to rebuild our societies with a view of adapting to this extraordinary age of transition."
Luciano Ferrer

CARDBOARD Robotic Hydraulic Arm : 16 Steps (with Pictures) - 0 views

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    "How to make your very own Hydraulic Arm! This project focuses on the principles of hydraulic movements. To do that we made a small scale demonstration of a Robotic Hydraulic Arm. We managed to do some pretty cool tasks with our ''Arm'', do check out the video down below for a better understanding! This project is entirely made with cardboard and a couple of syringes, all the plans and blueprints are available."
Luciano Ferrer

Download 3D model 7-Segments - 0 views

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    "A kit to build a mechanical display that cycles through the numbers 0-9 by turning a crank. Do you love building mechanical contraptions? Complicated looking gear trains that perform some task? Then this kit is for you ! However, beware. It is not for the faint-hearted. The assembly instructions are 26 pages long. The counter comprises of well over 100 parts. If you want to take it even further you can install a motor and drive it automatically."
Luciano Ferrer

Por qué evitar decir "Muy bien" a los niños y qué decirles en su lugar - 0 views

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    "... Como espero que quede claro en el artículo. No se trata de no elogiar a nuestros hijos, sino de ser conscientes del tipo de elogio que usamos y del objetivo que queremos conseguir con él. En nuestros estilo de crianza se debe evitar utilizar el elogio como una manera de "manipular" a nuestros hijos para que hagan lo que nosotros queramos aprovechándonos de su deseo de complacernos. Deberíamos usarlo como una forma de hacerles ver su valía, de fomentar su autoestima. Debería ser, en resumen, una herramienta para alentarles."
Luciano Ferrer

Un truco para que tus alumnos hagan los deberes en casa - 0 views

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    "Aunque no existen fórmulas mágicas, sí que creo que tenemos la responsabilidad de intentar con los medios que tenemos a nuestro alcance hacer que los alumnos puedan realizar de forma satisfactoria las tareas que les encomendamos fuera del horario escolar. En ocasiones el hecho de que nuestros alumnos realicen o no los deberes correctamente se debe al planteamiento que hemos hecho en clase. De ahí que en esta entrada te dé un truco para que la realización de las tareas se optimice al máximo. Pero antes de explicarte mi truco, creo que vale tener en cuenta estas recomendaciones: Nunca des los deberes después de que haya sonado el timbre que da por finalizada la clase. Procura dar los deberes al inicio de la sesión lectiva si ya sabes de antemano cuáles serán. Debes decir en voz alta qué deberes tienes pensados, pero al mismo tiempo hay que escribirlos en la pizarra tradicional. De esta manera el mensaje es complementario y llega con más seguridad a la totalidad de la clase. Mientras los alumnos copian los deberes en su agenda, tú puedes aprovechar para acercarte a aquellos alumnos que tienen más dificultades para apuntarlos, que les cuesta sacar la agenda de la mochila, o que tienen un ritmo de copia muy lento. Ningún alumno puede guardar la agenda sin antes haberte enseñado los deberes apuntados. El alumno debe copiar en su agenda los deberes en el día en que se van a exigir, y no el día que los das. Este es un aspecto importante y que a algunos alumnos les cuesta llevar a cabo. Como ves, es muy importante que a la hora de dar deberes sigas un protoclo muy estricto, porque de la buena realización de este protocolo estará en parte el éxito de su realización. Un truco para optimizar la realización de los deberes en casa. El truco que te voy a explicar es muy sencillo, pero tremendamente efectivo. Para su realización es necesario el uso de la pizarra digital (PDI). Sobre la importancia de la pizarra digital te recomi
Luciano Ferrer

Colección de Tareas - UNIPE - 0 views

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    "Estas son tareas que fueron diseñadas para ser utilizadas en el aula para comenzar a desarrollar los conceptos y habilidades del pensamiento computacional."
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