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Relationship between self-directed learning readiness, learning attitude, and self-efficacy of nursing undergraduates 被引量:4
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作者 Li-Na Meng Xiao-Hong Zhang +3 位作者 Meng-Jie Lei Ya-Qian Liu Ting-Ting Liu Chang-De Jin 《Frontiers of Nursing》 CAS 2019年第4期341-348,共8页
Objective: The purposes of this study were to analyze the influencing factors of self-directed learning readiness(SDLR) of nursing undergraduates and explore the impacts of learning attitude and self-efficacy on nursi... Objective: The purposes of this study were to analyze the influencing factors of self-directed learning readiness(SDLR) of nursing undergraduates and explore the impacts of learning attitude and self-efficacy on nursing undergraduates.Methods: A total of 500 nursing undergraduates were investigated in Tianjin, with the Chinese version of SDLR scale, learning attitude questionnaire of nursing college students, academic self-efficacy scale, and the general information questionnaire.Result: The score of SDLR was 149.99±15.73. Multiple stepwise regressions indicated that academic self-efficacy, learning attitude, attitudes to major of nursing, and level of learning difficulties were major influential factors and explained 48.1% of the variance in SDLR of nursing interns.Conclusions: The score of SDLR of nursing undergraduates is not promising. It is imperative to correct students' learning attitude, improve self-efficacy, and adopt appropriate teaching model to improve SDLR. 展开更多
关键词 self-directed learning readiness nursing undergraduates learning attitude academic self-efficacy RELATIONSHIP
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Role of academic self-efficacy in the relationship between self-directed learning readiness and problem-solving ability among nursing students
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作者 Xiao-Hong Zhang Li-Na Meng +4 位作者 Hui-Hui Liu Ru-Zhen Luo Chun-Mei Zhang Pei-Pei Zhang Yan-Hui Liu 《Frontiers of Nursing》 CAS 2018年第1期75-81,共7页
Objective: Problem-solving should be a fundamental component of nursing education because It is a core ability for professional nurses. For more effective learning, nursing students must understand the relationship be... Objective: Problem-solving should be a fundamental component of nursing education because It is a core ability for professional nurses. For more effective learning, nursing students must understand the relationship between self-directed learning readiness and problem-solving ability. The aim of this study was to investigate the relationships among self-directed learning readiness, problemsolving ability, and academic self-efficacy among undergraduate nursing students.Methods: From November to December 2016, research was conducted among 500 nursing undergraduate students in Tianjin, China,using a self-directed learning readiness scale, an academic self-efficacy scale, a questionnaire related to problem-solving, and selfdesigned demographics. The response rate was 85.8%.Results: For Chinese nursing students, self-directed learning readiness and academic self-efficacy reached a medium-to-high level,while problem-solving abilities were at a low level. There were significant positive correlations among the students' self-directed learning readiness, academic self-efficacy, and problem-solving ability. Furthermore, academic self-efficacy demonstrated a mediating effect on the relationship between the students' self-directed learning readiness and problem-solving ability.Conclusions: To enhance students' problem-solving ability, nursing educators should pay more attention to the positive impact of self-directed learning readiness and self-efficacy in nursing students' education. 展开更多
关键词 self-directed learning readiness problem-solving ability academic self-efficacy nursing undergraduates nursing students cross-sectional survey
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Self-directed learning readiness and nursing competency among undergraduate nursing students in Fujian province of China 被引量:2
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作者 Gui-Fang Yang Xiao-Ying Jiang 《International Journal of Nursing Sciences》 2014年第3期255-259,共5页
Aims:We examined the relationship between self-directed learning readiness(SDLR)and nursing competency among undergraduate nursing students.Background:There is little evidence-based data related to the relationship be... Aims:We examined the relationship between self-directed learning readiness(SDLR)and nursing competency among undergraduate nursing students.Background:There is little evidence-based data related to the relationship between selfdirected learning(SDL)and nursing competency.Methods:A descriptive correlational design was used.We conducted convenience sampling of 519 undergraduate nursing students from three universities during their final period of clinical practice.We investigated SDL according to the SDLR scale for nursing education(Chinese translation version),and used the Competency Inventory for Registered Nurses to evaluate nursing competency.Results:The mean SDLR score of the students was 148.55(standard deviation[SD]18.46),indicating intermediate and higher SDLR.The mean score for nursing competency was 142.31(SD30.39),indicating intermediate nursing competence.SDLR had a significant positive and strong relationship with nursing competency.Conclusion:SDLR is a predictor of nursing competency. 展开更多
关键词 BACCALAUREATE COMPETENCY EDUCATION NURSING self-directed learning
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Impact of self-directed learning readiness and learning attitude on problem-solving ability among Chinese undergraduate nursing students
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作者 Ru-Zhen Luo Xiao-Hong Zhang +1 位作者 Chun-Mei Zhang Yan-Hui Liu 《Frontiers of Nursing》 CAS 2019年第2期143-150,共8页
Objective: To explore the effects of self-directed learning readiness and learning attitude on problem-solving ability among Chinese undergraduate nursing students. Methods: A convenience sampling of 460 undergraduate... Objective: To explore the effects of self-directed learning readiness and learning attitude on problem-solving ability among Chinese undergraduate nursing students. Methods: A convenience sampling of 460 undergraduate nursing students was surveyed in Tianjin, China. Students who participated in the study completed a questionnaire that included social demographic questionnaire, Self-directed Learning Readiness Scale, Attitude to Learning Scale, and Social Problem-Solving Inventory. Pearson’s correlation analysis was performed to test the correlations among problem-solving ability, self-directed learning readiness, and learning attitude. Hierarchical linear regression analyses were performed to explore the mediating role of learning attitude. Results: The results showed that learning attitude (r=0.338, P<0.01) and self-directed learning readiness (r=0.493, P<0.01) were positively correlated with problem-solving ability. Learning attitude played a partial intermediary role between self-directed learning readiness and problem-solving ability (F=74.227, P<0.01). Conclusions: It is concluded that nursing educators should pay attention on students’ individual differences and take proper actions to inspire students’ self-directed learning readiness and learning attitude. 展开更多
关键词 UNDERGRADUATE NURSING students self-directed learning readiness learning ATTITUDE problem-solving ABILITY China
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Self-directed learning readiness and social problem solving of nursing students in Macao
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作者 Yuan Haobin 《护理学杂志》 CSCD 2016年第1期1-7,共7页
Objective The aims of this study were to describe nursing students′self-directed learning readiness and social problem solving and test their correlations in Macao.Methods This descriptive cross-sectional study was c... Objective The aims of this study were to describe nursing students′self-directed learning readiness and social problem solving and test their correlations in Macao.Methods This descriptive cross-sectional study was conducted on 140baccalaureate nursing students.A stratified random sampling was performed.The Self-directed Learning Readiness(SDLR)Scale and Chinese Social Problem-Solving Inventory-Revised(C-SPSI-R)were used.Results The response rate was 79.3%.Students possessed readiness for self-directed learning(mean 149.09±12.53,51.4%at high level,48.6%at low level).Regarding to social problem solving,the mean scores of each subscale were 9.35±3.25(Rational Problem Solving,RPS),10.26±3.23(Positive Problem Orientation,PPO),8.14±4.06(Negative Problem Orientation,NPO),5.67±4.44(Avoidance Style,AS),and 4.84±3.03(Impulsivity/Carelessness Style,ICS).SDLR was positively related to RPS and PPO,but was negatively related to AS.Conclusion Half of students possessed stronger readiness for self-directed learning.Students had a belief in the ability to solve problems,and adopted relevant strategies in solving problems.However,students still had negative and dysfunctional orientation and defective attempts in solving problems.Self-directed learning was positively related to positive and constructive orientation,but was negatively related to defective problem-solving pattern.Nurse educators should create educational climates for promoting student confidence and mutual responsibility for learning and their thinking process for problem solving. 展开更多
关键词 nursing student self-directed learning readiness social problem solving MACAO
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Nursing Students’ Readiness for Self-Directed Learning and Its Effect on Learning Outcome in South-West Nigeria
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作者 Guobadia Pauline Ojekou Funmilayo A. Okanlawon 《Open Journal of Nursing》 2019年第6期586-601,共16页
Self-directed learning (SDL) uses diverse learning resources to solve identified problems in learning. Nursing is a lifelong learning profession and SDL is a valuable skill to remain relevant and productive profession... Self-directed learning (SDL) uses diverse learning resources to solve identified problems in learning. Nursing is a lifelong learning profession and SDL is a valuable skill to remain relevant and productive professionals. Nursing students are expected to embrace SDL and develop these skills. However, there has been no evidence of this innovative process in South-West Nigeria. This study seeks to evaluate nursing students’ readiness for SDL and its effect on learning outcome. This quasi-experimental study purposively utilized 229 nursing students as participants. Baseline (P1) data was collected using Gugliemino’s SDL readiness scale (SDLRS) and a validated-structured questionnaire. Participants had a pre-test to assess knowledge at P1 followed by 6 weeks interaction using SDL on selected topics in Medical-surgical nursing and the same test at post-intervention (P2). Using a 50-point scale, knowledge was categorized as good ≥ 25 and poor < 25 and SDLRS on a 290-point scale was categorized as below average 5 - 201, average 202 - 226 and above average 227 - 290. Descriptive statistics, Chi-square test, t-test and linear regression analysis were used for analysis at p = 0.05. Nursing students’ SDLRS was average;mean = 203 ± 23.0. A significant difference exists between nursing students with good knowledge at P1 and P2. At P1, 39.2% had good knowledge, mean = 22.2 ± 6.3, and 90.1% at P2, mean = 30.6 ± 5.4, p < 0.05 also a significant relationship exist between SDLR and learning outcome at P2;p < 0.05. With the nursing students’ average SDL readiness level having a significant effect on learning outcome. Nursing training institutions should provide necessary resources to embrace SDL as a main-line teaching method to ensure competent life-long professionals. 展开更多
关键词 Effects self-directed learning readiness Resources learning OUTCOME NURSING Students
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Research on Compatible Mode of Self-directed Learning and Cooperative Learning in Blended Teaching of Basic English Course
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作者 李静 《西安翻译学院论坛》 2022年第3期27-31,共5页
In the information age,blended teaching,no matter online or offline,has become the mainstream of college teaching reform.In this teaching model,self-directed learning and cooperative learning are the two main learning... In the information age,blended teaching,no matter online or offline,has become the mainstream of college teaching reform.In this teaching model,self-directed learning and cooperative learning are the two main learning approaches.On the online teaching platform,students mainly learn knowledge-based content by self-directed learning,while practising their language skills by cooperative learning in flipped classroom activities.On one hand,it advocates student-centered strategy so as to improve students autonomous learning ability;on the other hand,teachers serve as a guide to organize the classroom activities;meanwhile,they give timely feedback to students in order to promote students’learning ability.In blended teaching model,this mutually compatible and reinforcing model of self-directed learning and cooperative learning is undoubtedly helpful to improve the teaching efficiency. 展开更多
关键词 self-directed learning cooperative learning blended teaching mutual compatible mode of self-directed learning and cooperative learning
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Effectiveness of the flipped classroom on the development of self-directed learning in nursing education:a meta-analysis 被引量:3
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作者 Ya-Qian Liu Yu-Feng Li +6 位作者 Meng-Jie Lei Peng-Xi Liu Julie Theobald Li-Na Meng Ting-Ting Liu Chun-Mei Zhang Chang-De Jin 《Frontiers of Nursing》 CAS 2018年第4期317-329,共13页
Objectives: To examine the best practice evidence of the effectiveness of the flipped classroom(FC) as a burgeoning teaching model on the development of self-directed learning in nursing education.Data sources: The ... Objectives: To examine the best practice evidence of the effectiveness of the flipped classroom(FC) as a burgeoning teaching model on the development of self-directed learning in nursing education.Data sources: The relevant randomized controlled trial(RCT) and non-RCT comparative studies were searched from multiple electronic databases including PubMed, Embase, Web of Science, Cumulative Index to Nursing and Allied Health Literature(CINAHL), Cochrane Central Register of Controlled Trials(CENTRAL), Wanfang Data, China National Knowledge Infrastructure(CNKI), and Chinese Science and Technology Periodical Database(VIP) from inception to June 2017.Review methods: The data were independently assessed and extracted for eligibility by two reviewers. The quality of included studies was assessed by another two reviewers using a standardized form and evaluated by using the Cochrane Collaboration’s risk of bias tool. The self-directed learning scores(continuous outcomes) were analyzed by using the 95% confidence intervals(Cls) with the standard deviation average(SMD) or weighted mean difference(WMD). The heterogeneity was assessed using Cochran’s I;statistic.Results: A total of 12 studies, which encompassed 1440 nursing students(intervention group = 685, control group = 755), were eligible for inclusion in this review. Of 12 included studies, the quality level of one included study was A and of the others was B. The pooled effect size showed that compared with traditional teaching models, the FC could improve nursing students’ selfdirected learning skill, as measured by the Self-Directed Learning Readiness Scale(SDLRS), Self-Directed Learning Readiness Scale for Nursing Education(SDLRSNE), Self-Regulated Learning Scale(SRL), Autonomous Learning Competencies scale(ALC), and Competencies of Autonomous Learning of Nursing Students(CALNS). Overall scores and subgroup analyses with the SRL were all in favor of the FC.Conclusions: The result of this meta-analysis indicated that FCs could improve the effect of self-directed learning in nursing education.Future studies with more RCTs using the same measurement tools are needed to draw more authoritative conclusions. 展开更多
关键词 flipped classroom blended learning reverse teaching self-directed learning self-learning ability SELF-MANAGEMENT nursing education META-ANALYSIS
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Influence of student attributes on readiness for interprofessional learning across multiple healthcare disciplines:Identifying factors to inform educational development
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作者 M.P.Judge E.C.Polifroni S.Zhu 《International Journal of Nursing Sciences》 2015年第3期248-252,共5页
This investigation evaluated if individual student attributes have a predictive impact on readiness for interprofessional education(IPE).An exploratory analysis was conducted with 311 students from dental medicine,die... This investigation evaluated if individual student attributes have a predictive impact on readiness for interprofessional education(IPE).An exploratory analysis was conducted with 311 students from dental medicine,dietetics,medicine,nursing,pharmacy and physical therapy.Discipline,gender,age,academic standing,amount of clinical exposure in academic program and number of years worked in a patient care setting were evaluated as predictors of readiness for IPE using the Readiness for Interprofessional Learning Scale(RIPLS).Medical students had significantly lower RIPLS scores compared to pharmacy(p=0.010)and dietetics students(p=0.022).Male gender(p=0.005)was a single independent predictor of IPE readiness.A higher number of years of practice had a significant interaction predictive of readiness for IPE(p=0.028).Identification of factors influencing readiness for IPE are key to developing teaching and learning strategies targeted to improve teamwork,quality of care and patient outcomes.In this investigation,men with more years of practice was highly predictive of a lower RIPLS score.Based upon our findings,educational planning targeting male medical students with a higher number of years of practice would be a reasonable evidence-based step toward improving the value of IPE programs and curricula.Further work is necessary in developing focus groups,simulation and case-based exercises to influence attitudes and readiness for IPE. 展开更多
关键词 Student attributes Healthcare readiness for interprofessional learning
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Psychological Capital and Self-directed Learning Abilities of Graduate School Candidates
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作者 Wang Xin 《Education and Teaching Research》 2024年第2期1-3,共3页
In China,about 4.74 million Chinese have signed up for the 2023 national exam for postgraduate enrollment.More and more students will pursue a graduate school education.It’s important to note that the self-directed l... In China,about 4.74 million Chinese have signed up for the 2023 national exam for postgraduate enrollment.More and more students will pursue a graduate school education.It’s important to note that the self-directed learning abilities of the students is crucial in the postgraduate entrance exam.Therefore,the study seeks to identify the level of the self-directed learning abilities and psychological capital of the postgraduate school candidates to identify whether there is a significant correlation between the candidates’self-directed learning abilities and psychological capital. 展开更多
关键词 Psychological Capital self-directed learning Ability National Graduate School Entrance Exam
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Psychological Capital and Self-directed Learning Abilities of Graduate School Candidates
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作者 Wang Xin 《Education and Teaching Research》 2024年第3期1-3,共3页
In China,about 4.74 million Chinese have signed up for the 2023 national exam for postgraduate enrollment.More and more students will pursue a graduate school education.It’s important to note that the self-directed l... In China,about 4.74 million Chinese have signed up for the 2023 national exam for postgraduate enrollment.More and more students will pursue a graduate school education.It’s important to note that the self-directed learning abilities of the students is crucial in the postgraduate entrance exam.Therefore,the study seeks to identify the level of the self-directed learning abilities and psychological capital of the postgraduate school candidates to identify whether there is a significant correlation between the candidates’self-directed learning abilities and psychological capital. 展开更多
关键词 Psychological Capital self-directed learning Ability National Graduate School Entrance Exam
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On the Trail of Self-Directed Online Learners 被引量:1
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作者 Curtis J.Bonk 朱美娜 《ECNU Review of Education》 2024年第2期406-419,共14页
Purpose We describe a series of more than a dozen studies on self-directed online learning spanning over a decade.Design/Approach/Methods We incorporated surveys,interviews,focus groups,and content analyses into these... Purpose We describe a series of more than a dozen studies on self-directed online learning spanning over a decade.Design/Approach/Methods We incorporated surveys,interviews,focus groups,and content analyses into these research studies,which initially targeted the goals,motivations,and challenges of learners using open educational resources and OpenCourseWare and then focused on learning from massive open online courses(MOOCs).This research accelerated after creating a database of over 3,000 MOOC instructors,through which we explored cultural sensitivity and personalization practices in MOOCs as well as instructional design considerations and challenges,MOOC instructor professional development and career development,instructor motivation and engagement,and student and instructor perceptions of self-directed learning.Findings This study reveals that self-directed online learners(SDOLs)seek learning environments offering freedom,choice,control,and a sense of autonomy and that both learners and instructors have intrinsic motivation for engaging in open online learning environments.Originality/Value Based on this research with both MOOC instructors and MOOC learners,we offer instructional design guidelines to address SDOLs’needs and assist in efforts to foster a new generation of SDOLs. 展开更多
关键词 MOOCs MOTIVATION online learning self-directed learning SELF-MANAGEMENT SELF-MONITORING
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The Influence of the Learning Environment on Learner Autonomy: A Comparative Study of Polish and Yemeni EFL Undergraduate Learners
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作者 Ammar Al-Khawlani 《Sino-US English Teaching》 2018年第3期109-124,共16页
The goal of autonomous language learning is to create an atmosphere where learners take charge of their own learning. Creating this atmosphere encounters various challenges which are partially context-specific. Influe... The goal of autonomous language learning is to create an atmosphere where learners take charge of their own learning. Creating this atmosphere encounters various challenges which are partially context-specific. Influenced by the learning environment, learnners of different educational contexts vary in their degree of autonomy. The present study examines the impact of the learning environment on learner autonomy at higher education. The study focuses on the differences between Polish and Yemeni EFL (English as a Foreign Language) learners with respect to their autonomy in language learning. A questionnaire was distributed to a total of 140 (59 Polish and 81 Yemeni) undergraduate learners. The questionnaire was coded into seven categories: beliefs and attitudes, planning, management, self-regulation, sources and materials, in-class responsibility, and out-of-class responsibility. Data were analysed quantitatively via SPSS (Statistical Product and Service Solutions). Independent Sample t-Test is used to investigate the differences between Polish and Yemein learners and Pearson Correlation is used to perform correlational analysis among the seven categories. The results show significant differences between Polish and Yemeni learners in some of the categories as well as a significant correlation among other categories 展开更多
关键词 learner autonomy learning environment SELF-REGULATION SELF-learning self-directed learning Polmad Yemen
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An Investigation on Telecommunication Staff's Acceptance of E-Learning Technology
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作者 Yu Ya-Chu Huang Kuo-Hung 《Journal of Modern Accounting and Auditing》 2011年第10期1150-1157,共8页
As the information on telecommunication products updates rapidly, using E-learning in staff training becomes an edge for company operation. However, previous studies showed that staff's attitude toward E-learning sig... As the information on telecommunication products updates rapidly, using E-learning in staff training becomes an edge for company operation. However, previous studies showed that staff's attitude toward E-learning significantly affected the outcomes of training. The purpose of this study is to investigate the acceptance of E-learning in a telecommunication company. The researchers adopted the technology acceptance model (TAM) and diffusion of innovation theory to evaluate the perceived usefulness and perceived ease of use on E-learning, in addition to employees' self-directed learning motivation, attitude toward computers, and organizational influence. We randomly chose 571 employees of the telecommunication entrepreneur at the Taichung office in Taiwan to participate in this survey. The result showed that employees' background factors such as age, job position, marital status, education level and the scale of job unit had the significant impact on behavioral intention to use E-learning. Employees' self-directed learning, attitude toward computers, and organizational influence respectively also had positive effects on perceived usefulness of E-learning and perceived ease of use of E-learning. Furthermore, employees' perceived usefulness of E-learning and perceived ease of use of E-learning also had a positive effect on behavioral intention to use E-learning systems. 展开更多
关键词 diffusion of innovation theory E-learning self-directed learning the technology acceptance model
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Influence of University Factors on the Students' Acceptance of Internet Based Learning Tools in Higher Education
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作者 Jimmy Macharia Emanuel Nyakwende 《通讯和计算机(中英文版)》 2010年第10期72-82,共11页
关键词 学习工具 影响因素 大学 学生 高等教育 网络学习 基础 信息通信技术
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儿科学混合式教学中的医学教育环境感知与学生学习自主性的关系研究
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作者 刘芳 余诗倩 +4 位作者 魏丽 牛萍 何晓琴 叶静萍 姚宝珍 《医学教育管理》 2024年第4期498-503,共6页
目的分析基于儿科学混合式教学的医学教育环境感知与学生学习自主性的关系。方法选取武汉大学第一临床学院临床专业、已完成儿科学混合式教学课程学习的学生作为研究对象,采用教育环境评估量表(Dundee ready education environment meas... 目的分析基于儿科学混合式教学的医学教育环境感知与学生学习自主性的关系。方法选取武汉大学第一临床学院临床专业、已完成儿科学混合式教学课程学习的学生作为研究对象,采用教育环境评估量表(Dundee ready education environment measure,DREEM)和大学生学习自主性量表进行医学教育环境感知和学习自主性调查。结果临床医学生的医学教育环境感知整体较好,各维度得分率比较,学生对教师的知觉>对学习的知觉>对学术的知觉>对环境的知觉>社交和自我知觉。学生的自我调控、学习策略、内容与环境、学习动机和学习自主性量表总分得分率分别为67.85%、72.86%、65.56%、70.63%和68.97%。相关分析显示,DREEM量表、大学生学习自主性量表的内部各维度得分与各量表总分均呈正相关,各维度得分之间均呈正相关(P<0.05),且大学生学习自主性量表各维度得分、总分与DREEM量表各维度得分及总分也均呈正相关(P<0.05)。结论基于儿科学混合式教学的临床医学生的医学教育环境感知整体较好,学习自主性可且与教育环境感知密切相关。在混合式教学实施过程中,不断优化教学内容、提升教师教学素养和积极改善医学教育环境,将有助于提升临床医学生对医学教育环境的满意度及学习兴趣和自主学习能力,更高效地促进医学教育教学改革的持续性发展。 展开更多
关键词 医学教育环境 学习自主性 混合式教学 临床医学 教育环境评估量表
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高职院校在线课程的学生持续使用意图研究——基于信息系统持续使用模型
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作者 彭磊义 陆佳 《天津职业大学学报》 2024年第2期79-86,共8页
在线课程建设在高校如火如荼,提高学生对在线课程的持续使用影响着在线课程功效的发挥。本研究以信息系统持续使用模型为基础,围绕高职学生在线课程学习中的线上学习准备度、学习成效和持续使用意图构建研究模型,并对此进行了实证分析... 在线课程建设在高校如火如荼,提高学生对在线课程的持续使用影响着在线课程功效的发挥。本研究以信息系统持续使用模型为基础,围绕高职学生在线课程学习中的线上学习准备度、学习成效和持续使用意图构建研究模型,并对此进行了实证分析。结果表明:线上学习准备度分别显著部分正向影响学习成效、持续使用意图,学习成效与持续使用意图之间也成显著正向影响,学习成效在线上学习准备度与持续使用意图之间发挥中介效应。因此,高职院校应围绕学习成效提升为中心,以激发学习动机为基础,并发挥其它子维度的功效,是有利于提升高职学生在线课程的持续使用意图;同时多维度多层次来倡导、实施和推进自主学习是持续提升高职学生在线课程持续使用意图的突破口之一。 展开更多
关键词 在线课程 持续使用意图 线上学习准备度 学习成效 高职院校
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哪些准备有力量?——家庭入学准备、儿童学习品质与一年级学业成就关系的追踪研究
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作者 余璐 韦潞莹 +1 位作者 韩静 陈慕轩 《教育与教学研究》 2024年第5期112-128,共17页
在科学做好幼小衔接的背景下,家长和儿童面临如何做好入学准备的难题。广义上,家庭入学准备和儿童学习品质都属于入学准备的要素,对幼小顺利衔接和过渡有重要价值。文章通过对292名小学生的追踪调查,考察家庭入学准备、儿童学习品质与... 在科学做好幼小衔接的背景下,家长和儿童面临如何做好入学准备的难题。广义上,家庭入学准备和儿童学习品质都属于入学准备的要素,对幼小顺利衔接和过渡有重要价值。文章通过对292名小学生的追踪调查,考察家庭入学准备、儿童学习品质与儿童一年级学业成就的关系。研究发现,家庭入学准备较为充分,家庭身心准备和家庭学习准备维度得分较高,且家庭入学准备与一年级上学期平时语文测验、下学期语文期末测验成绩显著相关;儿童学习品质整体表现良好,胜任动机、专注力、学习策略维度同一年级语文、数学的多次平时测验和期末成绩显著相关;儿童的专注力对一年级入学初语文测验成绩有显著正向的预测力,儿童的学习策略对一年级入学初数学测验表现有显著正向的预测力,而家庭入学准备的回归系数均不显著;学习品质在一年级上学期语文平时四测和下学期期末语文测验之间的调节效应显著,有助于提高语文平时四测对下学期期末语文测验的正向预测力。以上结果为落实“双减”政策提供了实证支撑,建议加强多方协同,形成衔接共育的良好生态;注重整体准备,树立为终身学习而准备的意识;培育学习品质,助力入学适应提质增效。 展开更多
关键词 入学准备 家庭入学准备 学习品质 学业成就
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基于机器学习算法的化学品快速生物降解性筛查模型
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作者 徐嘉茜 王浩博 +3 位作者 肖子君 刘文佳 何家乐 陈景文 《生态毒理学报》 CAS CSCD 北大核心 2024年第4期43-52,共10页
判别化学品能否被快速生物降解,有助于化学品的环境风险评估。以往化学品快速生物降解性(RB)的筛查模型,训练集所覆盖的化学空间小,模型预测准确性低,缺乏有效的应用域表征。本研究搜集5606种化学品的RB数据,构建了机器学习筛查模型。... 判别化学品能否被快速生物降解,有助于化学品的环境风险评估。以往化学品快速生物降解性(RB)的筛查模型,训练集所覆盖的化学空间小,模型预测准确性低,缺乏有效的应用域表征。本研究搜集5606种化学品的RB数据,构建了机器学习筛查模型。结果表明,基于极端梯度提升树和Mordred分子描述符构建的模型性能最优,在外部验证集上的预测准确率为0.86,受试者工作特征曲线下面积为0.92。通过加权分子相似性密度和加权崎岖性2个指标,有效表征了模型应用域。通过模型的机理分析,发现羧基或羟基可显著提高化学物质的RB。对《中国现有化学物质名录》筛查结果表明,超过60%的化学物质难以快速生物降解,其中苯及其衍生物占比最高。所构建的RB筛查模型及其应用域,可为化学品的环境管理提供技术支持。 展开更多
关键词 化学品 快速生物降解 机器学习 应用域
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技术成熟度评价数据标准化及数据库构建方法研究
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作者 杨雪鹤 杨颖坤 莫冰 《电子质量》 2024年第3期121-128,共8页
技术成熟度评价在科技项目管理工作中得到越来越深入的应用,然而,当前评价工作依赖于大量评价信息的人工评审和分析,缺乏评价数据的标准化处理及存储,导致评价效率较低,且难以开展相关机器学习辅助评价模型的开发。基于项目技术成熟度... 技术成熟度评价在科技项目管理工作中得到越来越深入的应用,然而,当前评价工作依赖于大量评价信息的人工评审和分析,缺乏评价数据的标准化处理及存储,导致评价效率较低,且难以开展相关机器学习辅助评价模型的开发。基于项目技术成熟度评价原始数据,开展数据内容共性分析,提出了一种基于Vision Transformer框架的数据处理方法,并设计了一种新的数据结构,实现技术成熟度评价数据的标准化及标准化数据库构建,最终通过Fleiss-Kappa分数验证了该数据库的真实性,该方法能够优化数据存储模式,提高数据质量,形成了机器学习模型的数据基础。 展开更多
关键词 数据标准化 数据库构建 深度学习 技术成熟度评价
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