Cognitive correlates of math skills in third-grade students

Math achievement is not a unidimensional construct but includes different skills that require different cognitive abilities. The focus of this study was to examine associations between a number of cognitive abilities and three domains of math skills (knowing, applying and problem solving) simultaneously in a multivariate framework. Participants were 723 third-grade children (mean age?=?9.07) from 28 elementary schools. Confirmatory factor analyses with binary indicators showed that a four-factor model of math skills (Knowing-Recalling, Knowing-Computing, Applying and Problem Solving) and a nine-factor model of cognitive abilities (Nonverbal and Verbal Reasoning, Verbal Concepts, Planning, Visuo-Spatial Working Memory (WM), two types of Verbal WM, Phonological Awareness and Phonological WM) fit the data well. Results from structural equation modelling showed that verbal reasoning and verbal concepts were most consistently associated with math knowing and problem solving domains. Verbal concepts contributed also to the math applying domain. In addition, simultaneous processing of verbal WM predicted problem solving skills in math. The results can be used in supporting the learning process of students with difficulties in math.     

Editorial

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Conceptions of Quality in Four Different Disciplines

The paper is based on a book(written by the author and his colleague MarkkuLehikoinen) dealing with definitions of qualityand views on the applicability of differentmethods of quality assessment to four differentdisciplinary fields: physics, biology,sociology and history. The paper focuses onconceptions and definitions of quality voicedby scholars representing the differentdisciplines. The study involved semi-structuredin depth interviews with 33 experiencedscholars. The disciplines under study werechosen to represent diverse disciplinarycultures, with the aim of finding out about thepotential impact of (social and cognitive)cultural characteristics of the disciplines onconceptions of quality. The findings show bothcommon views across disciplinary fields anddisciplinary differences.     

About,for, in or through entrepreneurship in engineering education

Engineering competences form a potential basis for entrepreneurship. There are pressures to find new approaches to entrepreneurship education (EE) in engineering education, as the traditional analytical logic of engineering does not match the modern view of entrepreneurship. Since the previous models do not give tangible enough tools on how to organise EE in practice, this article aims to develop a new framework for EE at the university level. We approach this aim by analysing existing scientific literature complemented by long-term practical observations, enabling a fruitful interplay between theory and practice. The developed framework recommends aspects in EE to be emphasised during each year of the study process. Action-based learning methods are highlighted in the beginning of studies to support students’ personal growth. Explicit business knowledge is to be gradually increased only when professional, field-specific knowledge has been adequately accumulated.     

Young primary students making sense of text and illustrations about how refuse can become soil

Explanatory pictures and models are frequently used in teaching and learning situations. However, it seems to be simply assumed that they are always beneficial. In this article results from an investigation with 16 Swedish pupils aged 7–9 year are presented based on an analysis that has examined how well this assumption holds up. Concepts from multi-modal theory have been used to investigate how young learners deal with illustrations and text from an early reader booklet about composting domestic refuse. The analysis suggests that expectations that illustrations facilitate the meaning-making of young pupils may be exaggerated. Although the booklet claimed to provide interactive support between image and text most of the examples show pupils ignoring pictures or misinterpreting vital information about composting in both the verbal and non-verbal material. The illustrations did not compensate for the most crucial deficiencies in the written text.     

Maze patrolling by rats with and without food reward

The effects of food reward on rats’ behavior in radial and Dashiell tunnel mazes were examined in two experiments. In the first, with animals at ad-lib body weights, food reward reduced speed of movement at the food locations, but did not affect the patterns of movement in either maze. Exploratory efficiency in the Dashiell maze was unaffected by food reward, and spontaneous patrolling of the radial maze by the nonrewarded animals was comparable to the behavior, reported by others, of rats running for food reward on elevated eight-arm mazes. In the second experiment, with subjects maintained at 80% of ad-lib body weights, there was some evidence for “winstay” learning: food-rewarded rats in the Dashiell maze were relatively more active near the food locations than were the nonrewarded animals, and more rewarded than nonrewarded rats revisited all food locations in the radial maze. Nonetheless, exploratory efficiency in the Dashiell maze was unaffected by food reward, as was patrolling efficiency in the radial maze, which was again comparable to that of rats on elevated mazes. The similarity in behavior of rewarded and nonrewarded animals in these mazes implies that the major determinant of their behavior, whether or not food reward is provided, is a spontaneous tendency to avoid places recently visited.     

Becoming an educable lifelong learning subject: adult graduates’ transitions in education and working life

Continuous learning and updating one’s competences and abilities have become requirements for staying ‘up-to-date’ and ‘at the top of one’s game’. Lifelong learning policy has been persuasive in its emphasis on equal learning opportunities for all: everyone has endless possibilities and capabilities to learn according to her/his needs and desires throughout life. This discourse has been especially encouraging for the eight Finnish general upper secondary school adult graduates followed in this study; they had received little formal education in their youth or had been labelled as ‘poor’ students at school through the assessment criteria maintained by the schooling system’s prevailing meritocratic discourse. In order to become lifelong learning subjects, they first needed to prove their ability and competence as students and learners, that is their educability. This was also the key for their transitions in further and higher education and working life. Consequently, half of the interviewees told ‘success stories’ about these transitions. Moreover, they continued to have faith in ‘the great salvation of education’ as well as their own educability. For the other half, however, these transitions turned out to be disappointing or perceived as a broken promise. These adults also started to doubt their own abilities as students and learners.     

The Learning Potential of Boundary Crossing in the Context of Product Introduction

The aim is to explore challenges related to the integration between product development and production in product introduction and, given these challenges, to analyse the learning potential of boundary crossing in the context of product introduction. The paper draws on evidence from a Swedish manufacturing company. The theoretical framework is based on a boundary-crossing perspective, which in turn is framed by a workplace learning perspective. Data were collected through interviews with 19 employees from the product development department and 21 employees from the production plant, and 8 focus-group interviews. Within the company, there were many challenges related to product introduction, but the findings also show these challenges can provide learning opportunities by enabling the boundaries to be crossed between the product development department and the production plant. Several forms of intrapersonal or interpersonal boundary crossing were identified. Individuals acted as brokers, and prototypes, pre-series, DfA analysis and a crossfunctional team served as boundary objects and encounters. Nothing in our study indicates that the boundary crossing identified on the intrapersonal and interpersonal levels created learning potentials on the organisational level in the company. The conclusion is that it is necessary to consider the learning potential made available by boundary crossing in order to support learning, and thereby improve the integration between product development and production in product introduction. By seeing and using prototypes and pre-series production as learning opportunities you can create a better preparedness and provide collective access to knowledge required for successful product introduction.     

Biomechanical analysis of different starting strategies utilized during cross-country skiing starts

The present study was designed to analyse and compare the kinetics and kinematics associated with three different starting strategies during classic cross-country ski racing. Inside a ski tunnel, 12 elite male skiers performed three sets of three 38?m starts. Each set included one start using: double poling only (DP), diagonal stride only (DIA) and freely chosen (FREE) (i.e. where subjects used the strategy or combination of strategies they felt was fastest) in random order. The first 18?m was performed on a series of force plates that measured horizontal and vertical forces followed by 20?m of a standard snow track. Additionally, cycle characteristics and joint angles were measured. DIA and FREE were faster over 38?m than DP (P?.01). Net horizontal impulse (taking into account both positive and negative impulses) 5–10?m after the start was lower during DP than during DIA and FREE (both P?<?.05). All subjects skied faster when using only DIA for the entire 38?m. Furthermore, the sum duration and frequency of propulsive contacts over the first 18?m was less in DP than DIA and FREE (P?相似文献   

Generative Role of Experiments in Physics and in Teaching Physics: A Suggestion for Epistemological Reconstruction

In physics teaching experimentality is an integral component in giving the starting point of knowledge formation and conceptualization. However, epistemology of experiments is not often addressed directly in the educational and pedagogical literature. This warrants an attempt to produce an acceptable reconstruction of the epistemological role of experiments in physics by drawing insight from history and philosophy of physics. Towards that end, the experiments’ role in the 19th-century physics is discussed. We propose here a reconstruction, which is based on the idea that in epistemology of experiments the inductive-like generative justification of knowledge is central. A generative view makes it possible to retain those aspects of experiments which make them purposeful for learning and can give a starting point for students’ own construction of knowledge. The reconstruction also helps to conceive the experiments with their correct historical role and helps to bring back the generative use of experiments in teaching, which, after all, has never vanished from the practice of physics.