scholarly journals Meta-strategy learning in physical problem-solving: the effect of embodied experience

2021 ◽  
Author(s):  
Kelsey R Allen ◽  
Kevin Smith ◽  
Laura-Ashleigh Bird ◽  
Joshua B. Tenenbaum ◽  
Tamar Makin ◽  
...  

'Embodied cognition' suggests that our experience in our bodies -- including our motor experiences -- shape our cognitive and perceptual capabilities broadly. Much work has studied how differences in the physical body (either natural or manipulated) can impact peoples' cognitive and perceptual capacities, but often these judgments relate directly to those body differences. Here we focus instead on how natural embodied experience affects what kinds of abstract physical problem-solving strategies people use in a virtual task. We compare how groups with different embodied experience -- children and adults with congenital limb differences versus those born with two hands -- perform on this task, and find that while there is no difference in overall accuracy or time to complete the task, the groups use different meta-strategies to come to solutions. Specifically, both children and adults born with limb differences take a longer time to think before acting, and as a result take fewer overall actions to reach solutions to physical reasoning problems. Conversely, the process of development affects the particular actions children use as they age regardless of how many hands they were born with, as well as their persistence with their current strategy. Taken together, our findings suggest that differences in embodied experience drive the acquisition of different meta-strategies for balancing acting with thinking, deciding what kinds of actions to try, and deciding how persistent to be with a current action plan.

Author(s):  
Josh Kun

Ever since the 1968 student movements and the events surrounding the Tlatelolco massacre, Mexico City rock bands have openly engaged with the intersection of music and memory. Their songs offer audiences a medium through which to come to terms with the events of the past as a means of praising a broken world, to borrow the poet Adam Zagajewski’s phrase. Contemporary songs such as Saúl Hernández’s “Fuerte” are a twenty-first-century voicing of the ceaseless revolutionary spirit that John Gibler has called “Mexico unconquered,” a current of rebellion and social hunger for justice that runs in the veins of Mexican history. They are the latest additions to what we might think about as “the Mexico unconquered songbook”: musical critiques of impunity and state violence that are rooted in the weaponry of memory, refusing to focus solely on the present and instead making connections with the political past. What Octavio Paz described as a “swash of blood” that swept across “the international subculture of the young” during the events in Tlatelolco Plaza on October 2, 1968, now becomes a refrain of musical memory and political consciousness that extends across eras and generations. That famous phrase of Paz’s is a reminder that these most recent Mexican musical interventions, these most recent formations of a Mexican subculture of the young, maintain a historically tested relationship to blood, death, loss, and violence.


Author(s):  
J. Navaneetha Krishnan ◽  
P. Paul Devanesan

The major aim of teaching Mathematics is to develop problem solving skill among the students. This article aims to find out the problem solving strategies and to test the students’ ability in using these strategies to solve problems. Using sample survey method, four hundred students were taken for this investigation. Students’ achievement in solving problems was tested for their Identification and Application of Problem Solving Strategies as a major finding, thirty one percent of the students’ achievement in mathematics is contributed by Identification and Application of Problem Solving Strategies.


Author(s):  
Danny Busch ◽  
Emilios Avgouleas ◽  
Guido Ferrarini

In line with the European Commission's wish to create fully integrated European capital markets, its Capital Markets Union (CMU) Action Plan is intended to make it easier for providers and receivers of funds to come into contact with one another within Europe, especially across borders. This book discusses various aspects of CMU from a legal and/or economic perspective. The chapters are grouped in a thematic way, covering the following areas: (i) general aspects, (ii) Brexit, (iii) financing innovation, (iv) raising capital on the capital markets, (v) fostering retail and institutional investment, (vi) leveraging banking capacity to support the wider economy, and (vii) facilitating cross-border investing. This chapter outlines some general aspects of CMU that are not explicitly covered by the other chapters in this book: (1) the CMU objectives, (2) the EBU–CMU relationship, (3) regulatory burden, and (4) Better Regulation and the Call for Evidence.


2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Yang Jiang ◽  
Tao Gong ◽  
Luis E. Saldivia ◽  
Gabrielle Cayton-Hodges ◽  
Christopher Agard

AbstractIn 2017, the mathematics assessments that are part of the National Assessment of Educational Progress (NAEP) program underwent a transformation shifting the administration from paper-and-pencil formats to digitally-based assessments (DBA). This shift introduced new interactive item types that bring rich process data and tremendous opportunities to study the cognitive and behavioral processes that underlie test-takers’ performances in ways that are not otherwise possible with the response data alone. In this exploratory study, we investigated the problem-solving processes and strategies applied by the nation’s fourth and eighth graders by analyzing the process data collected during their interactions with two technology-enhanced drag-and-drop items (one item for each grade) included in the first digital operational administration of the NAEP’s mathematics assessments. Results from this research revealed how test-takers who achieved different levels of accuracy on the items engaged in various cognitive and metacognitive processes (e.g., in terms of their time allocation, answer change behaviors, and problem-solving strategies), providing insights into the common mathematical misconceptions that fourth- and eighth-grade students held and the steps where they may have struggled during their solution process. Implications of the findings for educational assessment design and limitations of this research are also discussed.


Mathematics ◽  
2021 ◽  
Vol 9 (8) ◽  
pp. 793
Author(s):  
Manuel Santos-Trigo ◽  
Fernando Barrera-Mora ◽  
Matías Camacho-Machín

This study aims to document the extent to which the use of digital technology enhances and extends high school teachers’ problem-solving strategies when framing their teaching scenarios. The participants systematically relied on online developments such as Wikipedia to contextualize problem statements or to review involved concepts. Likewise, they activated GeoGebra’s affordances to construct and explore dynamic models of tasks. The Apollonius problem is used to illustrate and discuss how the participants contextualized the task and relied on technology affordances to construct and explore problems’ dynamic models. As a result, they exhibited and extended the domain of several problem-solving strategies including the use of simpler cases, dragging orderly objects, measuring objects attributes, and finding loci of some objects that shaped their approached to reasoning and solve problems.


2016 ◽  
Vol 10 (1) ◽  
pp. 1 ◽  
Author(s):  
Jackson Pasini Mairing

Solving problem is not only a goal of mathematical learning. Students acquire ways of thinking, habits of persistence and curiosity, and confidence in unfamiliar situations by learning to solve problems. In fact, there were students who had difficulty in solving problems. The students were naive problem solvers. This research aimed to describe the thinking process of naive problem solvers based on heuristic of Polya. The researcher gave two problems to students at grade XI from one of high schools in Palangka Raya, Indonesia. The research subjects were two students with problem solving scores of 0 or 1 for both problems (naive problem solvers). The score was determined by using a holistic rubric with maximum score of 4. Each subject was interviewed by the researcher separately based on the subject’s solution. The results showed that the naive problem solvers read the problems for several times in order to understand them. The naive problem solvers could determine the known and the unknown if they were written in the problems. However, they faced difficulties when the information in the problems should be processed in their mindsto construct a mental image. The naive problem solvers were also failed to make an appropriate plan because they did not have a problem solving schema. The schema was constructed by the understanding of the problems, conceptual and procedural knowledge of the relevant concepts, knowledge of problem solving strategies, and previous experiences in solving isomorphic problems.


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