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1.
Problem-solving skills and understanding of domain, knowledge (e.g., fighting misconceptions) are important goals in both secondary and tertiary science education. A prototype of an instructional task is presented which aims at improved problem-solving skills based on understanding of domain knowledge. In this task, comparing carefully selected solved problems by groups of students is utilised as a learning activity for the acquisition of adequate problem schemata. The task is designed as a part of the so-called UBP-program (UBP=Understanding Based Problem solving) currently being developed, for education in science. The result of an evaluative study for the field of mechanics is presented. The UBP-task appears apt to improve problem-solving skills at a less advanced level of physics education (e.g., 10th grade), especially for students normally performing poorly—who are often girls.  相似文献   

2.
How Two- and Four-Year-Old Children Interpret Adjectives and Count Nouns   总被引:3,自引:0,他引:3  
We examined the role of object kind familiarity (i.e., knowledge of a count noun for an object) on preschoolers' sensitivity to the relation between a novel word's form class (adjective or count noun) and its reference (to a material kind-property or to an object kind). We used a forced-choice match-to-target task, in which children learned a word for one object (e.g., a metal cup), and then chose between 2 other objects. One was from the same object kind but a different material kind (with different related properties, such as color and texture; e.g., a white plastic cup); the other was from a different object kind but the same material kind (with the same related properties; e.g., a metal spoon). In Experiment 1, children learned either a count noun (e.g., "This is a zav") or an adjective (e.g., "This is a zav one"). Within each form class, we crossed the familiarity of the referent object kind (familiar and unfamiliar) with the age of the children (2- and 4-year-olds). The principal finding was that in interpreting an adjective, 4-year-olds were more likely to choose the object sharing material kind with the target if the target was familiar than if it was unfamiliar. No such familiarity effect was evident among 2-year-olds. In Experiment 2, we employed a more unambiguously adjectival frame (e.g., "This is a very zav-ish one"), and replicated the results of Experiment 1. We interpret the results in terms of 2 proposed word learning biases: one that learners initially expect any word applied to an unfamiliar object to refer to a (basic-level) kind of object, and a second that learners prefer words to contrast in meaning. We consider several interpretations of the observed age difference.  相似文献   

3.
Previous research has indicated that preschoolers do not distinguish between properties that are generalizable within a given category and those that are not. 2 possible general constraints on children's cognition are proposed to account for these findings. 3 studies are reported that argue against the presence of such general constraints. We examine preschoolers' understanding of the properties associated with material (e.g., wood, cotton) and object (e.g., chair, pillow) categories. In Study 1, subjects consistently made inductions based on the material compositions of items when asked to predict texture and fragility. In Study 2, the same subjects judged that items that shared material would share an unfamiliar dispositional property (e.g., gets sodden in water), but items that shared object kind would share a novel functional property (e.g., used for accelerating). Study 3 tested a younger sample of 3-year-olds and found the same sensitivity to category type, albeit with larger individual differences. By age 3, children use different modes of categorization to generalize different kinds of phenomena. These results argue against general limitations on children's abilities to use categories to make inductions. Even when children lack specific theoretical knowledge, the ability to organize phenomena into domains allows children to recognize which categories are relevant in different situations. This understanding can provide a basis for the development of more specific theories.  相似文献   

4.
A secondary analysis of the Early Childhood Longitudinal Study – Kindergarten Sample (N = 17,401) was conducted to determine the factors that are most strongly associated with math achievement during kindergarten, first grade, and third grade. Factors from the following three categories were considered: antecedent factors (e.g., family socio-economic status), opportunity factors (e.g., frequency of being exposed to mathematical content), and propensity factors (e.g., pre-existing mathematics skills). Structural equation modeling showed that math achievement was strongly predicted by a combination of specific propensity, opportunity, and antecedent factors. However, propensity factors were the most important determinants of achievement. The amount of variance accounted for by gender and ethnicity was substantially reduced when other factors in the antecedent, opportunity, and propensity categories were controlled. The implications of the findings for intervention are discussed.  相似文献   

5.
In the present study, the authors propose a new framework that integrates literature on achievement, supports the testing of novel hypotheses, and stresses the importance of examining a large number of factors in the same study. This framework assumes that high achievement is a function of three categories of factors: (a) opportunity factors (e.g., coursework), (b) propensity factors (e.g., prerequisite skills, motivation), and (c) distal factors (e.g., SES). A secondary analysis of the National Longitudinal Educational Study (NELS:88) using hierarchical regression and structural equation modeling revealed that 58–81% of the variance in achievement was explained by family variables and specific opportunity and propensity factors. The findings are discussed in terms of their potential implications for intervention efforts.  相似文献   

6.
The purpose of this study was to investigate the correlates of burnout in a national sample of school psychologists. A stress questionnaire, demographic information sheet, and Maslach Burnout Inventory were mailed to 600 randomly selected members of the National Association of School Psychologists. A total of 234 practitioners comprised the final sample. The results indicated that burnout was related to demographic (e.g., age), environmental (e.g., role definitions), and professional activity (e.g., role diversity) variables. Implications for the field of school psychology and future research are discussed.  相似文献   

7.
Knowledge of the literature among professionals in the area of problem behaviours and developmental disabilities is most likely soon out of date as several hundred useful studies appear each year. A literature database may be a useful tool for clinicians and researchers to conveniently retrieve needed information, preventing them from collecting, reading, processing, and storing all the available material. This report describes a database (i.e., Database Problem Behavior) encompassing information that goes far beyond presenting abstracts only. The third version of the database encompasses 885 empirical studies on the (functional) analysis, and behavioural and pharmacological treatment of problem behaviours (e.g., self‐injurious behaviour, aggressive behaviour, depression) for persons with developmental disabilities.  相似文献   

8.
The goal of the present study was to continue to build and refine the Opportunity-Propensity (O-P) model of achievement by using it to explain well-known achievement disparities between schools that differ in terms of their racial and ethnic composition. The O-P model categorizes predictors into antecedent factors (e.g., family SES, parent educational aspirations), opportunity factors (e.g., content coverage and teaching style), and propensity factors (e.g., prior knowledge and motivation). To refine the model further, the authors did the following: (a) added predictors in each category that have not been examined to date; (b) used hierarchical linear modeling to explain growth in knowledge between two assessment points; (c) identified similarities and differences in the models for two content areas (i.e., math and reading); and (d) identified similarities and differences in the models for two age levels (i.e., 3rd grade and 8th grade). Results showed that the combination of new and established predictors accounted for approximately 50% of the variance in the rate at which knowledge grew in both math and reading at both age levels. In addition, the variance explained by the racial and ethnic composition of schools when this variable was entered as the sole predictor of achievement was substantially reduced after antecedent, opportunity, and propensity factors were entered in subsequent models. However, the coefficients for certain school compositions remained significant even after such controls, and the models differed somewhat between content areas (math and reading), and age levels (3rd and 8th grade). Findings are discussed in terms of the implications of these results for building and refining the O-P model further.  相似文献   

9.
We undertake a quantitative analysis of the determinants of satisfaction among international graduate students at one university. We focus on satisfaction in three areas: academic program, academic appointment, and nonacademic social relationships. Determinants of satisfaction are theoretically classified as individual resources (e.g., language skills), social resources (e.g., contact with U.S. students), and social context (e.g., perceived discrimination). Multiple regression analysis reveals that academic satisfaction is most strongly related to contact with U.S. students, language skills, and perceived discrimination. Social satisfaction is linked with marital status, language skills, perceived discrimination, and contact with U.S. students. Students' gender, grades, aspirations, and financial situation had no relation to satisfaction.Presented at the meetings of the North Central Sociological Association in Toledo, Ohio, April 17, 1993.  相似文献   

10.
1 hypothesis about children's developing conception of the mind is that preschoolers are limited to an understanding that persons have internal, mental contents like thoughts and beliefs, whereas older children and adults conceive of the mind itself as an independent, active structure or processor. Adults' conception of the mind in this independent active fashion seems evident in their use of personified mental metaphor (e.g., "My mind tricked me"). 3 studies examined the development and consolidation of this active, personified view. Study 1 provided an analysis of natural language data regarding 1 child's uses of vision words such as see and look from age 2 1/2 to 8 years. We examined the child's use of such words to refer literally to perception (e.g., "I see the TV") and also to refer nonliterally to active mental processes such as comprehension and inference (e.g., "I see what you mean"). Studies 2 and 3 examined 6-, 8-, and 10-year-olds' comprehension and production of mental metaphors. In a metaphor comprehension task, we asked children to interpret personified metaphoric statements about the mind (e.g., "My mind wandered") and 3 comparison domains, mechanics (e.g., "The car is dead"), nature (e.g., "The wind is howling"), and emotion (e.g., "Her heart was smiling"). In an explanation task, we asked children to explain the processes underlying the making of both instant photos and mental images. The findings reveal a developing ability to interpret and produce statements personifying the mind and provide considerable evidence about children's movement toward a conception of the mind as an independent entity deserving reference and conceptualization in its own right.  相似文献   

11.
12.
The special edition of JEAH published in August 2006 on ‘Administration and Leadership in Education: A Case for History?’ argued that history has been seriously undervalued in the study of administration and leadership in education. My introductory editorial explained why this mattered and outlined the framework in which the papers it contained were set. It then examined the concepts of administration and leadership in education and considered them as a field (or fields) of knowledge. In an exploration of how knowledge is produced, it discussed history as a form of knowledge and considered the contribution it could make to the study of the field. This was followed by a review of what was asked of the contributors and their response. The editorial concluded with ideas for future work. At the request of the new editors of the journal, this paper is a revised and extended version of my earlier editorial. Some aspects have been shortened (e.g., the review of contributions), others extended (e.g., views on history and its role), and some new material has been added (e.g., a discussion of the history of the field in the UK as represented in attempts to review the field since George Baron’s ground‐breaking keynote given at the first research conference of the British Educational Administration Society held in Birmingham in 1979).  相似文献   

13.
14.
This study explored the role of student (e.g., age, language background, gender), home (e.g., parent/caregiver education), and school (e.g., school type, size) socio-demographic factors in students’ school (e.g., in-school arts tuition, arts engagement), home (e.g., parent/caregiver–child arts interaction), and community (e.g., arts attendance, arts tuition) arts participation. The sample comprised 1172 elementary and secondary school students from 15 schools. Findings revealed that student and home socio-demographic factors were the most salient in predicting arts participation across school, home, and community contexts. Age, gender, and prior achievement were the key student socio-demographic factors, while parent/caregiver education and occupation were also associated with students’ arts participation. Implications for practice and intervention pertinent to young people’s arts participation are discussed.  相似文献   

15.
Measurement bias can be detected using structural equation modeling (SEM), by testing measurement invariance with multigroup factor analysis (Jöreskog, 1971;Meredith, 1993;Sörbom, 1974) MIMIC modeling (Muthén, 1989) or restricted factor analysis (Oort, 1992,1998). In educational research, data often have a nested, multilevel structure, for example when data are collected from children in classrooms. Multilevel structures might complicate measurement bias research. In 2-level data, the potentially “biasing trait” or “violator” can be a Level 1 variable (e.g., pupil sex), or a Level 2 variable (e.g., teacher sex). One can also test measurement invariance with respect to the clustering variable (e.g., classroom). This article provides a stepwise approach for the detection of measurement bias with respect to these 3 types of violators. This approach works from Level 1 upward, so the final model accounts for all bias and substantive findings at both levels. The 5 proposed steps are illustrated with data of teacher–child relationships.  相似文献   

16.
This research examined motivational trajectories during early adolescence in the United States and China. Upon their entry into middle school at 7th grade and every 6 months thereafter until the end of 8th grade, 825 American and Chinese children (mean age = 12.73 years) reported on their motivational beliefs (e.g., mastery orientation) and behavior (e.g., self-regulated learning strategies). The quality of children's motivational beliefs deteriorated over the 7th and 8th grades (e.g., children became less mastery oriented) in both the United States and China. American children also valued academics less, with declines in their motivational behavior as well. Chinese children continued to value academics, sustaining their motivational behavior. In both countries, children's motivational beliefs and behavior predicted their grades over time.  相似文献   

17.
The paper discusses the use of systemic networks as a basis for the construction of a questionnaire. The subject of the questionnaire was teachers' views of the philosophy of science. It is argued that systemic networks have potential value in questionnaire construction in such problematic areas, offering help in dealing with both construct and face validity.

The networks used, and the questionnaire based on them, were derived from an analysis of various philosophical positions. The analysis identified distinctions depicting the main philosophical differences, which were then represented in a network. The main systems described are inductivism, hypothetico‐deductivism (e.g., Popper, Lakatos), contextualism (e.g., Kuhn) and relativism (e.g., Feyerabend). Major distinctions turn on the issues of the unity of scientific method, criteria of demarcation, patterns of scientific change and the status of scientific knowledge.  相似文献   

18.
Researchers are often interested in whether the effects of an intervention differ conditional on individual- or group-moderator variables such as children's characteristics (e.g., gender), teacher's background (e.g., years of teaching), and school's characteristics (e.g., urbanity); that is, the researchers seek to examine for whom and under what circumstances an intervention works. Furthermore, the researchers are interested in understanding and interpreting variability in treatment effects through moderation analysis as an approach to exploring the sources of the treatment effect variability. This study develops formulas for power analyses to detect the moderator effects in designing three-level cluster randomized trials (CRTs). We develop the statistical formulas for calculating statistical power, minimum detectable effect size difference, and 95% confidence intervals for cluster or cross-level moderation, nonrandomly varying or random slopes, binary or continuous moderators, and designs with or without covariates. We demonstrate how the calculations can be used in the planning phase of three-level CRTs using the software PowerUp!-Moderator.  相似文献   

19.
When time-intensive longitudinal data are used to study daily-life dynamics of psychological constructs (e.g., well-being) within persons over time (e.g., by means of experience sampling methodology), the measurement model (MM)—indicating which constructs are measured by which items—can be affected by time- or situation-specific artifacts (e.g., response styles and altered item interpretation). If not captured, these changes might lead to invalid inferences about the constructs. Existing methodology can only test for a priori hypotheses on MM changes, which are often absent or incomplete. Therefore, we present the exploratory method “latent Markov factor analysis” (LMFA), wherein a latent Markov chain captures MM changes by clustering observations per subject into a few states. Specifically, each state gathers validly comparable observations, and state-specific factor analyses reveal what the MMs look like. LMFA performs well in recovering parameters under a wide range of simulated conditions, and its empirical value is illustrated with an example.  相似文献   

20.
Higher education confers significant private and social benefits. Māori and Pacific peoples are under-represented within New Zealand universities and have poorer labour market outcomes (e.g., lower wages, under-represented in skilled professions). A New Zealand tertiary education priority is to boost Māori and Pacific success in an effort to improve outcomes for these graduates, their communities and society in general. Using information collected in the Graduate Longitudinal Study New Zealand, we compared Māori and Pacific university graduate outcomes with outcomes of other New Zealand graduates. Data were collected when the participants were in their final year of study (n?=?8719) and two years post-graduation (n?=?6104). Employment outcomes were comparable between Māori, Pacific and other New Zealand graduates at two years post-graduation; however, Māori and Pacific graduates had significantly higher student debt burden and financial strain over time. They were significantly more likely to help others (e.g., family) across a range of situations (e.g., lending money), and reported higher levels of volunteerism compared to their counterparts. Boosting higher education success for Māori and Pacific students has the potential to reduce ethnic inequalities in New Zealand labour market outcomes and may result in significant private benefits for these graduates and social benefits as a result of their contribution to society.  相似文献   

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