Juanjuan Chen

Juanjuan Chen
Zhejiang University · College of Education

Doctor of Philosophy

About

13
Publications
6,323
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651
Citations
Introduction
Educational technology; Learning sciences; Science education; Design-based learning; Higher-order thinking

Publications

Publications (13)
Article
Full-text available
Background In scientific inquiry learning, students often have difficulties conducting hypothetical reasoning with multiple intertwined variables. Concept maps have a potential to facilitate complex thinking and reasoning. However, there is little investigation into the content of student‐constructed concept maps and its association with inquiry ta...
Article
Full-text available
Virtual reality (VR) and augmented reality (AR) technologies have been used in informal science institutions such as science centres, science museums, zoos, botanical gardens, and aquariums to provide visitors with engaging and appealing learning experiences. However, there is a lack of systematic reviews to synthesise the contexts in which such te...
Article
Virtual reality (VR) and augmented reality (AR) have been increasingly used to support museum learning by creating engaging and appealing learning experiences. However, there is a lack of meta-analytic reviews of empirical studies in this field. This study reviewed 51 relevant studies to investigate (a) the situations in which AR and VR have been a...
Article
Full-text available
Higher-order thinking is crucial to inquiry learning. It is important to investigate how students think in inquiry contexts. Given the tacit nature of higher-order thinking, cognitive maps (e.g., concept maps, reasoning maps) have been used to externalize thinking and have shown promising effects in terms of improving inquiry task performance. Howe...
Article
Background: Inquiry-based learning has been widely adopted in educational practice especially in science education. Scaffolding plays an important role in fostering learning in sophisticated inquiry. Meanwhile, it is important not to undermine the open-endedness of inquiry activities and the nature of student-centred learning. Purpose: This study p...
Article
Full-text available
This meta-analysis synthesizes research findings on the effects of computer-supported collaborative learning (CSCL) based on its three main elements: (1) the collaboration per se, (2) the use of computers, and (3) the use of extra learning environments or tools, or supporting strategies in CSCL. In this analysis, 425 empirical studies published bet...
Article
The use of external representations has a potential to facilitate inquiry learning, especially in hypothesis generation and scientific reasoning, which are typical difficulties encountered by students. This study proposes and investigates the effects of a three-dimensional thinking graph (3DTG) that allows learners to combine in a single image, pro...
Article
Concept mapping has been employed as a promising tool to facilitate group learning and interaction mainly in the classroom. Computer- and web-based applications provide plenty of opportunities to extend concept mapping mediated group learning to online environments. Nevertheless, the effects of concept mapping on group learning and interaction may...
Article
The use of external representations has the potential to facilitate inquiry learning, especially hypothesis generation and reasoning, which typically present difficulties for students. This study describes a novel three-dimensional cognitive mapping (3DCM) approach that supports inquiry learning by allowing learners to combine the information on a...
Article
This paper considers the problem of lookup table (LUT) based FPGA technology mapping for power minimization in combinational circuits. The problem has been previously proved to be NP-hard, and hence we present an efficient heuristic algorithm, PowerMap_er. This paper describes a technique that reduces power consumption by reducing the edge count in...
Conference Paper
Clock gating technology can reduce the consumption of clock signals' switching power of flip-flops. The clock gate enable functions can be identified by Boolean analysis of the logic inputs for all flip flops. However, the enable functions of clock gate can be further simplified, and the average number of flip flops driven by enable functions can b...
Conference Paper
Recent generation of FPGA devices takes advantage of speed and density benefits resulted from heterogeneous FPGA architecture, in which several basic LUTs can be combined to form one larger size LUT called macro. Large macros not only decrease network depth efficiently but also reduce area. In this paper, a new technology mapping algorithm, named M...

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