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141.
A historical indicator of the quality, validity, and rigor of qualitative research has been the documentation and disclosure of the behind-the-scenes work of the researcher. In this paper, we use what we call methodological data as a tool to complicate the possibility and desirability of such transparency. Specifically, we draw on our disparate attempts to address calls for transparency about methodological processes in our respective dissertation studies in order to examine how novice researchers can explore transparency as a situated, ongoing, and philosophically informed series of decisions about how, when, and if to be transparent about our work. This work contributes to conversations about how qualitative researchers in education can understand, discuss, and teach qualitative inquiry while continuing to push the boundaries of the field.  相似文献   
142.
We examined novice teachers’ beliefs about grading and constructivist teaching approaches. Adapting an existing instrument designed to assess preservice teachers’ grading beliefs that deviate from recommended practices, we administered the Survey of Grading Beliefs to 203 inservice teachers. Exploratory factor analysis resulted in a 3-factor model with a structure similar to that found in prior research; differences between the 2 samples were noted. Teachers who endorsed grading beliefs characterized as “academic enabling” tended to endorse constructivist teaching approaches. To better understand the underlying reasoning of the academic enabling factor, we conducted qualitative research with 6 additional teachers. Results revealed that teachers’ reasons for grading judgments were strategic, analytical, and thoughtful, not haphazard. This study provides empirical evidence about the nature of novice teachers’ beliefs about grading, how they relate to constructivist teaching beliefs, and how they may compare to the beliefs of preservice teachers.  相似文献   
143.
The authors investigated the mediating effects of general academic and science-specific vocabulary on science reading comprehension among English learners (ELs) of varied proficiency. The sample included 169 regular education Grade 7 students (86 current ELs; 83 former ELs) enrolled in 1 urban school in Pacific Northwest region of the United States. The results indicated that both vocabulary types—rarely explicitly taught at the secondary level—were significant contributors to reading comprehension, above and beyond EL status. The full parallel mediation model accounted for 55% of the variance in science reading comprehension. Notably, the mediating effects of both vocabulary types were significant and statistically similar in size, yet, not sufficient to fully explain ELs' reading scores. Implications and directions for future research are discussed.  相似文献   
144.
The position advocated within this article is that the construct of “school readiness” has a social component, and that attempts to evaluate children's interpersonal readiness for kindergarten should be judged in relation to their likely success at mastering specific social school entry tasks. Social school entry tasks, which most likely stem from diverse sociocultural sources, are conceptualized here as interpersonal challenges that children confront as they enter formal schooling—challenges that are inherent within kindergarten classrooms and predictive of children's future school adjustment. A related contention is that attempts to enhance children's readiness for kindergarten should be guided by research on the prerequisites of social task mastery—that is, evidence gathered during the preschool years that forecasts children's later success at social school entry tasks. Evidence bearing on these premises is reviewed as a means of considering the validity and heuristic utility of these propositions for future research on school readiness.  相似文献   
145.
Addressing high demand for developmental math instruction and low rates of successful completing of the developmental coursework, with cost and space constraints, has been an ongoing challenge for postsecondary institutions. With advances in online instructional technology, particularly those based on artificial intelligence, web-based instruction is increasingly considered as a way to alleviate these burdens. This is among one of the first efforts that uses a quasi-experimental design to compare the academic outcomes of students who take a developmental mathematics course in a blended setting that combines face-to-face instruction with an online intelligent tutorial system, ALEKS, to the academic outcomes of students who take the same course in a fully online setting. Results suggest that students receiving online-only instruction perform worse on the final exam and receive lower course grades. However, a cost-effectiveness analysis suggests that fully online instruction has both a lower cost per student enrolled and a lower cost per student passing the course.  相似文献   
146.
Learning with hands-on experiments can be supported by providing essential information virtually during lab work. Augmented reality (AR) appears especially suitable for presenting information during experimentation, as it can be used to integrate both physical and virtual lab work. Virtual information can be displayed in close spatial proximity to the correspondent components in the experimentation environment, thereby ensuring a basic design principle for multimedia instruction: the spatial contiguity principle. The latter is assumed to reduce learners' extraneous cognitive load and foster generative processing, which supports conceptual knowledge acquisition. For the present study, a tablet-based AR application has been developed to support learning from hands-on experiments in physics education. Real-time measurement data were displayed directly above the components of electric circuits, which were constructed by the learners during lab work. In a two group pretest–posttest design, we compared university students' (N = 50) perceived cognitive load and conceptual knowledge gain for both the AR-supported and a matching non-AR learning environment. Whereas participants in both conditions gave comparable ratings for cognitive load, learning gains in conceptual knowledge were only detectable for the AR-supported lab work.  相似文献   
147.
148.
ABSTRACT

In the present meta-analysis, we examine how secondary school characteristics – such as schools’ academic press, school climate, material resources, personnel resources, classroom climate, instructional practices, out-of-school activities, and socioeconomic status (SES) composition – provide opportunities for students to engage in science and maths, and how these matter with regard to students’ cognitive and motivational-affective outcomes. The meta-analysis includes 71 (international) articles from large-scale studies with a total of 3,960,281 students, 260,390 schools, and 285 effect sizes that were transformed to correlation coefficients. Multilevel meta-analyses were performed. Results identified a number of school variables that can be regarded as relevant for making a difference in student outcomes and at the same time be influenced by education. These refer to school variables such schools’ academic press, classroom climate, instructional practices, and out-of-school activities. Moreover, SES composition was significantly related to student outcomes. Material and personnel resources as well as school climate yielded a close to zero effect. No differences were found between cognitive and motivational-affective outcome variables or between science and maths. The results point to the most promising school characteristics for promoting students’ outcomes and emphasise schools’ potential for students’ engagement in science and maths.  相似文献   
149.
ABSTRACT:  This "case study" details how food science was introduced into the classrooms of a typically underrepresented population. James Sarakatsannis, an 8th grade physical science teacher, was planning a unit that would use fast food to teach science to his classes, when he came across the Institute of Food Technologists (IFT) website and a wealth of information available to teachers. Along with the valuable materials James found on the website to teach food science, he also found the "Find a Food Scientist" tool and invited 3 local food scientists into his classroom at John Philip Sousa Middle School in the inner city of Washington, D.C., where many of his students represent a typically underrepresented population in the field of food science. Food was a common medium that all of his students were familiar with and had an interest in, and it turned out to be a great tool to discuss various physical science topics in the classroom. The local food scientist visits were an excellent supplement to the topics he was already covering with the students in class. Many students developed a greater interest in science in general after the unit on food science. The unit also may have planted the seed for an education or career in food science somewhere down the line for the 70 13- to 16-year-old students in James's 2 8th grade physical science classes.  相似文献   
150.
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