卓越實證概述 Best Evidence in Brief

Types of Evidence

How does students’ academic achievement relate to family socioeconomic status in China?

Academic achievement is thought to be influenced by family socioeconomic status (SES), but the relationship is also affected by government interventions. A meta-analysis recently published in Educational Psychology Review examined the relationship between family SES and academic achievement in China and whether year, grade level, type of SES measures, and subjects of academic achievement moderate that relationship. The analysis was based on data drawn from 215,649 students in 62 studies (78 independent samples). Studies included in the search process were those conducted from January 1979 to May 2017 written in English or Chinese. To be included in the analysis, studies needed to be focused on the relation between SES and academic achievement, contain sufficient statistical detail, and be carried out on students from kindergarten to senior high school in China. The meta-analysis excluded any duplicated data and studies containing obvious errors or insufficient information. The key findings were: SES is...

30 12 2020
Supporting model-based explanations in the elementary science classroom

Zangori, Vo and colleagues explored the practice of modelling as a tool for visualization and reasoning in the elementary science classroom. A study, published by International Journal of Science Education, is part of a five-year research project in the United States, Modelling Hydrologic Systems in Elementary Science (MoHSES), aimed to support 3rd grade teachers in model-based teaching and engage students in generating model-based explanations (MBE). Through curricular and instructional support, MBE were used to encourage students’ understanding of water systems, a global phenomenon comprised of smaller, hard-to-observe components that prove challenging for learners of all ages. A quasi-experimental comparative design was employed to evaluate a baseline curricular intervention (Year 1) and a modelling-enhanced curricular intervention (Year 2) in five 3rd-grade classrooms from the same US Midwestern state. Teachers implementing the intervention were chosen based on their use of the FOSS Water module curriculum and their wide range of teaching experience. During the...

30 12 2020
The relationship of bilingualism and cognitive advantage

Compared to monolingual people, bilingual people are generally considered to have a cognitive advantage related to executive function (EF). A recent meta-analysis conducted by Gunnerud and colleagues investigated whether bilingual children had an advantage in EF by examining different components of inhibition, switching, attention, monitoring, working memory, and planning. 100 publications (between 1980 to 2017) were identified, which included 143 group comparisons and 583 effect sizes. The bilingual advantage was statistically significant in overall EF (ES=+0.06). The study further performed a moderator analysis to investigate whether a cognitive advantage could occur under certain conditions. Regarding sample characteristics, the results showed that: Socioeconomic status (SES) difference was a significant moderator variable, and middle-class SES children had a greater bilingual advantage than lower-class children (β=0.235; p =.017) and upper-middle-class children (β=0.230; p =.046). Also, results from one lab showed a significantly larger effect than the studies from other labs (β=0.153; p =.011). In terms...

30 12 2020
Open Science Comes to Meta-Analysis

Recently, a growing interest in transparency and reproducibility has led researchers and journals to lean more intently into the shift towards open science. This shift has been spurred by both the replication crisis in the social sciences and medicine, although meta-analysis has been relatively slow on the uptake. In a recent meta-review, Polanin and colleagues randomly selected 150 meta-analyses from the Psychological Bulletin and coded them for criteria that would facilitate reproduction of results. The authors contend that high visibility of data and methodology is important for three primary reasons: to support peer reviewers to check author analyses or run additional analyses on their own, to facilitate future meta-analysts to replicate or update the review with new studies or new statistical methods, and to allow for meta-reviews that may simply summarize the existing meta-analyses, or seek to examine the results from a substantively different angle (e.g. breaking up the results by grade level)....

30 12 2020
Private tutoring in China – Is it effective?

Private tutoring, which aims at enhancing student learning and achievement, has become a popular approach in education, especially in East Asia. According to the Chinese Society of Education, 137 million primary and middle school students were enrolled in after-school private tutoring in 2016. A recent study published in Children and Youth Services Review examined the relationship between private tutoring and academic achievement, as well as emotional well-being and parent-child relationships, in Chinese junior high school students.  This study's data were from the 2014-15 cohort of the China Education Panel Survey, a nationally representative longitudinal survey of junior high school students in China. A total of 9,449 junior high school students from 112 schools in mainland China participated in this cohort study. Students were asked whether they received private tutoring in either Chinese, English, or Mathematics and assessed their self-confidence, parent-child relationship, and depression. Students' midterm test scores in Chinese, English...

16 12 2020
A systematic review of unstructured nature play in early childhood development

Physical activities are important to facilitate children's development. A recent systematic review by a team from the University of South Australia investigated whether playing in nature-based spaces could be beneficial for child health and development. Quantitative studies of children aged 2-12 years without health or developmental conditions examining unstructured nature play were included. The review identified 16 studies involving 711 children. Due to the diversity in study methods, the research applied descriptive synthesis. The outcome measures covered different domains including physical activity, motor, cognitive, and social emotional development. Results showed that: Despite the various measures in outcomes, there were consistent positive impacts of nature play on physical activity outcomes and cognitive play behaviors. However, five out of seven studies reported no significant differences regarding to physical activity in nature play compared to traditional play space experiences. The authors also expressed their concerns when interpreting the findings, which includes the evidence-base quality, the...

16 12 2020
Effects of an extracurricular science program on science understanding and motivation

"Young Researchers–We Work Like Scientists" is a short-term science program for elementary school students aimed at promoting the understanding of science and students' motivation. The intervention is part of a larger program used in Germany with talented elementary school students. It consists of 10 extracurricular lessons during which students are provided with challenging problem-solving activities and inquiry tasks. A study published by the Journal of Educational Psychology evaluated the effectiveness of this program with 310 third- and fourth-grade students in German schools who received the 10 lessons once a week for 90 minutes. The authors used measures closely aligned with the program curriculum to assess inquiry competencies as well as measures made by other researchers to assess student understanding of science and student motivation. Results of the study showed that: There were significantly higher inquiry competencies for the intervention students on a measure aligned with the program and made by the authors. No...

16 12 2020
The power of texting: combating student absenteeism

With the prevalence of smartphones, text messaging has become a promising tool for connecting schools with parents more closely. A recent paper by the Institute of Education Sciences investigated the effects of an adaptive text messaging strategy on chronic absenteeism. The authors confirmed the potential of text messaging by demonstrating how it decreased chronic absence rates for all students by 2.4% to 3.6%. Using a randomized controlled trial, the study experimented with four versions of adaptive text messaging among 26,000 elementary school students. During the fall semester, groups one and two received messages about the benefits of attendance while groups three and four received messages about the consequences of absenteeism. During the spring semester, chronically absent students in groups one and three received extra personalized outreach messages from school staff but those in groups two and four received extra goal commitment messages. Goal commitment messages asked parents to set attendance goals for...

16 12 2020
How does teachers’ emotional labor relate to burnout and satisfaction?

Teaching is an emotional endeavor as teachers are expected to maintain proper emotional expression in their work. However, in some cases, emotional job demands can also be rewarding, depending on how one uses appropriate emotional labor strategies, including surface acting, deep acting, and expression of naturally felt emotion, one used. A metanalysis published in Educational Research Review comprehensively examined the relationship between teachers' use of emotional labor strategies and their antecedents (in terms of job characteristics and individual characteristics) and consequences (in terms of burnout and job satisfaction). To be included in the analysis, studies had to be quantitative studies written in English, conducted in a school setting using pure samples of school teachers, and reporting at least one correlation coefficient. 86 independent samples from 85 articles were included in the analysis, comprised of 33,248 teachers in total. The analysis demonstrated that emotional labor strategies were significantly related to burnout...

02 12 2020