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1.
ABSTRACT

This article presents a large-scale evaluation study of over 3000 9–14-year-old students who participated in an engineering workshop during their school fieldtrips. Student perceptions right before and after, as well as two weeks after the workshop were captured and examined. Before the workshop, younger students and boys, generally exhibited higher interest, higher self-efficacy, and less negative stereotypes for engineering than their counterparts. Also, Caucasian students had higher self-efficacy and lower negative stereotypes than Hispanic students. Students’ interest, self-efficacy, negative stereotype, and utility perceptions of engineering were significantly improved right after the workshop, and improved perceptions were maintained at the delayed-post (follow-up) survey. The results indicate that fieldtrips can significantly improve students’ perceptions towards engineering and improved perceptions are not limited to the workshop day, but persist afterwards. The gender and ethnic differences in engineering perceptions in the youngest age group indicate that outreach interventions should begin in elementary school.  相似文献   

2.
We investigated (1) whether the learning environment perceptions of students in classes frequently exposed to multimedia differed from those of students in classes that were not, (2) whether exposure to multimedia was differentially effective for males and females and (3) relationships between students’ perceptions of the learning environment and student engagement in classes that were exposed to multimedia. The sample involved 365 high-school students in 16 classes, nine that were frequently exposed to multimedia and seven that were not. Two instruments were administered to students: one to assess students’ perceptions of the learning environment and another to assess student engagement. There were statistically significant differences between the two groups for all of the learning environment scales, as well as statistically significant interactions between exposure to multimedia and sex for three learning environment scales (Involvement, Task Orientation and Equity). Finally, the learning environment in mathematics classes that involved multimedia was related to student engagement. These results offer potentially important insights into how student exposure to multimedia could promote more positive learning environments and improve student engagement in mathematics.  相似文献   

3.
School-based pipelines/routes for university and technical engineering education are recognised as important for economic development and the high-school years are critical for shaping students’ career aspirations and attitudes. This study examined a range of attitudes/experiences on the aspirations of secondary students to pursue engineering education and vocation. Experiential/attitudinal aspects covered demographic characteristics, family/school support, practical learning experiences, curricular/extra-curricular experiences, attitudes, perceptions and engineering-efficacy that may affect aspirations. A validated questionnaire capturing these variables was administered to respective samples of secondary school students from four Chinese geo-engineering regions (Beijing, Guangzhou, Hong Kong and ShanXi; 5965 students) that represent differing degrees of industrialisation. Comparative analyses across regions show ‘doing’ engineering is key to motivating students’ aspirations; while regional variations suggest that schooling and family factors are generally more significant in industrialising Mainland cities, and extracurricular opportunities and personal factors are more significant for students in post-industrial Hong Kong.  相似文献   

4.
ABSTRACT

The purpose of this study was to answer the following two questions: (1) Do significant differences exist in high-school learning experience, interests, self-efficacy, and career aspirations between male and female science, technology, engineering, and mathematics (STEM) students? (2) Can high-school learning experiences, interests, and self-efficacy significantly predict career aspirations, and do differences exist between male and female STEM students? This study highlighted the gender gap between male and female university students who had already chosen STEM majors with similar academic ability. A total of 407 first-year students were surveyed at a 4-year research university in Taiwan. For the data analysis, a t-test and multiple regression analysis were used, and the findings indicated that male STEM students had greater family support than their female counterparts. The variable of task value could significantly predict STEM career aspirations for both male and female students, whereas the variable of STEM course self-efficacy could only significantly predict that of male students. In conclusion, the findings highlighted that the motivation of task value was a vital factor for predicting STEM career aspirations, whereas the factor of family support was the main gap between male and female STEM students in terms of their high-school learning experiences.  相似文献   

5.
CAI课件是一种基于计算机网络和超文本构成的教学课件,是在远程教育过程中帮助学生完成自主学习任务的主要教学媒介,本文介绍了基于网络的工程制图CAI课件的设计思路和软件制作的关键技术。  相似文献   

6.
Compared to boys, many girls are more aware of a social context in the learning process and perform better when the environment supports frequent interactions and social relationships. For these girls, embodied agents (animated on-screen characters acting as tutors) could afford simulated social interactions in computer-based learning and thereby supply a girl-friendly instructional context. This study examined the effects of the age and gender of an agent on ninth-grade Caucasian and ethnic-minority girls' perceptions of the agent, mathematics attitudes, and learning in a computer-based algebra-learning environment. In general, the findings support that a virtual agent plays both social and instructional roles that favor teenage girls and could be a viable tool to create a favorable context for girls learning challenging topics.  相似文献   

7.
ABSTRACT

Background: Outdoor learning and computer-based learning are two different alternatives to in-class conventional teacher-centered learning.

Purpose: This study compares the outdoor learning setting with computer-based learning in class. It examines the influence of the two different learning settings on academic achievements, the learning experience, and pro-environmental perceptions.

Sample: A total of 90 elementary school students (third and fourth-grade classes) participated in the study.

Design and methods: The academic knowledge of the study participants was tested through identical exams for both learning settings. In addition, in each group the students’ perceptions were examined by means of a questionnaire about environmental values and the learning experience.

Results: The study demonstrates that academic achievements in the two settings were similar, but the students expressed more enthusiasm about the outdoor learning experience than about in-class learning. In addition, the outdoor learning setting contributed more to promoting positive environmental perceptions even though students did not learn directly about environmental issues and sustainability.

Conclusions: These findings suggest that learning in the natural environment is valuable: Alongside the fostering of computerized learning, it is also important to promoteoutdoor learning settings and integrate both settings by implementing mobile technologies in the outdoor teaching.  相似文献   

8.
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9.
Reading has been regarded as a medium for learning science, revealing the importance of enhancing learners’ reading competence in science education. The critical features of science texts are their multiple representations, such as text and visual elements, which assist the representation of science concepts. A multimedia learning environment can present relevant materials in various formats and help students to process the materials in meaningful ways, for example, by integrating learning materials with relevant prior concepts, and organizing them into a consistent and coherent cognitive structure. However, some issues with multimedia instructional design have been proposed, such as students’ cognitive load and learning motivations. In this study, an augmented reality-based science learning system was developed based on the contiguity principle of multimedia learning in order to promote students’ science learning. Moreover, an experiment was conducted on a natural science course in an elementary school to assess the effectiveness of the implemented system on students’ learning. The experimental results display that the students learning with this approach found made significant gains in their learning achievements and motivations compared to those learning science with conventional multimedia science learning; moreover, their perceptions of extraneous cognitive load were significantly reduced during the learning activity.  相似文献   

10.
Working with scientists has been suggested as an effective way for high-school students to learn authentic science. However, little research has involved students’ perceptions of science learning environments in a university internship. This study drew on the theoretical framework of community of practice with cogenerative dialogues to design an internship program that aims to build a constructivist internship for students. Students who learned science in the internship program developed stronger constructivist learning perceptions than those who learned science in school. Specifically, students perceived that they had more opportunities to think independently of the instructors and other students. Three effective principles for program design are: (a) high school students conduct open-inquiry projects with the support of scientists; (b) high school students and scientists conduct cogenerative dialogues regularly to address issues and share experiences; and (c) high school students present their project proposals and scientific findings at open house events. Implications of the results are discussed.  相似文献   

11.
The present study was intended to deepen current knowledge about the impact of graphic organizers (GOs) on students’ learning in a computer-based learning environment, by evaluating the effects of successive versus simultaneous presentation of a GO and an explanatory text. Based on the previous studies, we hypothesized that simultaneous display of a GO improves learning performances for the information it highlights (represented elements), but impairs those for nonrepresented elements, owing to a focused processing effect during text reading. We predicted that staggering the display of the document and the GO would avoid this effect and enhance the learning of both represented and nonrepresented elements. We compared three groups: students who studied a multimedia document without a GO (control group); students who viewed the same multimedia document accompanied by a GO that was displayed simultaneously (simultaneous GO group); and students who viewed the document and were then shown the GO (successive GO group). In line with previous research on GOs, results showed that adding a GO to the multimedia document increased students’ memorization of the represented elements and their comprehension. Interestingly, students in the successive GO group exhibited enhanced memorization of the nonrepresented elements and had the highest comprehension scores. These original results indicate that delaying the display of the GO can lead students to process the overall information more deeply and, in turn, improve their learning.  相似文献   

12.
Static representational pictures (RPs) have been focused in research on the multimedia effect in testing and might be especially important in arithmetical word problems, which require a multi-stage mental processing to segment the task. To further highlight the task segments visually, dynamic visualizations could help. However, conventional animations might not apply to this context and the role of dynamic visualizations with temporal segmentations (i.e., animated RPs) is unexplored. This classroom experiment with 456 students investigated multimedia and modality effects in 24 mathematical word problems. Our 3 × 2 mixed design included three multimedia conditions (static RPs, animated RPs, and text-only) and two modality conditions (written text vs spoken text). We investigated effects on response correctness, metacognitive ratings, item-solving satisfaction and time on task. Both static and animated RPs increased response correctness, item-solving satisfaction, and metacognitive ratings compared to text-only. Time on task was affected in distinctive ways in both RP conditions and also varied depending on text modality. Spoken text barely increased response correctness in animated RP items but not at all in static RP items. Moderator analyses revealed that the effects of static and animated RPs on response correctness were dependent on the text modality but varied across school types and the level of mathematical prior knowledge. For students at non-academic-track schools or with low prior knowledge, static and animated RPs improved response correctness compared to text-only across both modalities. For students at academic-track schools or with high prior knowledge, mainly combinations of static or animated RPs with spoken text were effective.  相似文献   

13.
Studies have shown that it is difficult for people to deal with multicriteria decision‐making situations. Information technology tools such as decision‐support systems and expert systems have been developed in order to help them in such situations. Another tool that has been identified as helping managers understand complex engineering decision‐making situations is multimedia instructional materials. This research investigates the perceptions of business versus engineering students on improvement of their higher‐level cognitive skills when they participated in a multimedia‐based case study that used an expert system to model a complex engineering and technical problem. Two groups of students, business and engineering, participated in an experiment, where they analyzed the case study and made their recommendations. Two questionnaires measured their perceptions on the improvements achieved on different constructs. A structural equations model was developed in order to test the research hypotheses with business students being the experimental group and the engineering students as a control group. The major findings are no significant relationship between student major and higher‐order cognitive skills improvement, business students perceived more higher‐order skills improvement compared to engineering students, both groups perceived an improvement in learning‐driven factor, and business students valued learning‐driven factors more compared to engineering students. These results show that multimedia instructional materials were perceived to be very useful in making multicriteria engineering and technical decisions.  相似文献   

14.
Incorporating engineering instruction into the elementary curriculum is not without challenges. Traditionally, researchers investigated using engineering design to promote students learning science concepts. More recently, researchers have conducted qualitative investigations to measure students' learning of engineering concepts after engaging in engineering design. In this study, we extended work on elementary engineering instruction by implementing an integrated engineering and writing unit with 58 third-grade students. Using stratified random assignment based on pre-intervention engineering vocabulary assessment scores, we assigned students to treatment (n = 28) or comparison (n = 30). During a 10-day unit, all students participated in design challenges, emulated the practices of actual engineers, and used writing to support and document their learning, as they designed and authored their own five-page pop-up books. Students in the treatment condition participated in additional writing during 8 of the 10 unit lessons. During this time, they responded to journal prompts related to lesson objectives. At the same time, students in the comparison condition participated in small-group discussions during which they discussed journal prompts orally. We found that all students made statistically significant gains from pre- to posttest on an engineering vocabulary assessment; total words written, number of different engineering concepts used, and depth of understanding of engineering concepts in a written essay response; and number of different engineering concepts used in an oral interview response, regardless of their incoming writing skills and regardless of whether they participated in additional writing or small-group discussion of lesson objectives. This study is the first to quantitatively document the effectiveness of a combined elementary engineering and writing intervention for promoting students' learning of engineering concepts in multiple ways (rote recall, written representation, and oral representation). We argue that literacy, particularly writing, provides an effective and feasible method for incorporating engineering instruction into the elementary curriculum.  相似文献   

15.
The purpose of this study was to evaluate the instructional effects of using animations, static figures, PowerPoint bulletins, and e-plus software as chemistry texts with the aid of computer-based technology. This study analyzed the characteristics of students involved in three multimedia courses and their achievement and attitude toward chemistry and learning chemistry. The three samples included in this study involved 257 undergraduate engineering students enrolled in the courses during the academic year in which the study occurred. The results indicate that: (a) students acquired a better understanding of targeted chemistry concepts during the multimedia courses, (b) some categories of students, based on their major area of study, computer use, and attendance status at orientation achieved significantly (p < 0.05) higher post-test scores when adjusted for pre-test performance, and (c) significant differences and Cohen’s effect sizes in attitudes toward chemistry and learning chemistry were detected for students’ level of computer use, disposition toward computer multimedia, gender, and attendance at the multimedia orientation session. It appears to be helpful to incorporate computer-based multimedia (animations, images, sounds) teaching while utilizing constructivist design principles to facilitate students’ chemistry understanding and attitude toward chemistry and learning chemistry.  相似文献   

16.
This paper focuses on the preliminary design of a multifaceted computer-based mathematics resource for undergraduate and pre-entry engineering students. Online maths resources, while attractive in their flexibility of delivery, have seen variable interest from students and teachers alike. Through student surveys and wide consultations, guidelines have been developed for effectively collating and integrating learning, support, application and diagnostic tools to produce an Engineer's Mathematics Gateway. Specific recommendations include: the development of a shared database of engineering discipline-specific problems and examples; the identification of, and resource development for, troublesome mathematics topics which encompass ideas of threshold concepts and mastery components; the use of motivational and promotional material to raise student interest in learning mathematics in an engineering context; the use of general and lecture-specific concept maps and matrices to identify the needs and relevance of mathematics to engineering topics; and further exploration of the facilitation of peer-based learning through online resources.  相似文献   

17.
College students learned about science with a multimedia program. One group (choice or C) chose to learn with or without an animated pedagogical agent (APA) representing a male or female of five different ethnicities. Another group (no-choice or NC) was assigned an APA by the system. All participants in C group chose to learn with APAs and students of color chose significantly more same-ethnicity APAs than White American students. A significant interaction between choice and ethnic similarity factors revealed that group C produced lower retention, transfer, and program ratings when learning with same-ethnicity rather than different-ethnicity APAs. Results support an interference hypothesis for students who choose to learn with same-ethnicity APAs.  相似文献   

18.
As engineering learning experiences increasingly begin in elementary school, elementary teacher preparation programs are an important site for the study of teacher development in engineering education. In this article, we argue that the stances that novice teachers adopt toward engineering learning and knowledge are consequential for the opportunities they create for students. We present a comparative case study examining the epistemological framing dynamics of two novice urban teachers, Ana and Ben, as they learned and taught engineering design during a four-week institute for new elementary teachers. Although the two teachers had very similar teacher preparation backgrounds, they interpreted the purposes of engineering design learning and teaching in meaningfully different ways. During her own engineering sessions, Ana took up the goal not only of meeting the needs of the client but also of making scientific sense of artifacts that might meet those needs. When facilitating students' engineering, she prioritized their building knowledge collaboratively about how things work. By contrast, when Ben worked on his own engineering, he took up the goal of delivering a product. When teaching engineering to students, he offered them constrained prototyping tasks to serve as hands-on contexts for reviewing scientific explanations. These findings call for teacher educators to support teachers' framing of engineering design as a knowledge building enterprise through explicit conversations about epistemology, apprenticeship in sense-making strategies, and tasks intentionally designed to encourage reasoning about design artifacts.  相似文献   

19.
ABSTRACT

In recent years, there has been increasing interest within the engineering education research community to prepare engineering students to address wicked problems (WPs) such as climate change, resource scarcity and violent conflict. Previous research suggests that engineering students are able to address WPs if they are given adequate support, but there is a lack of research on what kinds of support are needed. This paper aims to reduce this gap by reporting on students’ performance in, and approaches to, addressing WPs when different scaffolding strategies were used in different parts of a rubric-based intervention. The intervention aimed to provide undergraduate engineering students with an understanding of the nature of WPs and with a structured way of addressing them. For each part of the intervention, we discuss affordances for learning provided by the different scaffolding strategies. The results suggest that strong cognitive scaffolding can support students’ understanding of the nature of WPs and students’ performance in written responses to WPs, but possibly also limits deep engagement with WPs and transfer of learning to other contexts.  相似文献   

20.
In response to the increased attention and interest related to the application of virtual reality with head-mounted displays in education, this study examined the elementary students’ perceptions of using immersive virtual field trips (VFTs) in the classroom. Reflection papers from 25 students were analyzed and triangulated with field notes from class observations and teacher interviews. The content analysis revealed that VFTs were perceived to be efficient with regard to time and cost, to expand learning opportunities, but lacked physical interaction. Elementary students also suggested immersive VFTs are engaging, real, and provide an increased perception of virtual presence. However, they also expressed concerns about health and safety, psychological side effects, technical malfunctions, and low social interaction.  相似文献   

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