The assessment of noncognitive traits is challenging due to possible response biases, “subjectivity” and “faking.” Standardized third-party evaluations where an external evaluator rates an applicant on their strengths and weaknesses on various noncognitive traits are a promising alternative. However, accurate score-based inferences from third-party evaluations requires disentangling score variance due to raters versus applicants by utilizing a multilevel factor analysis (MFA). To date, MFA is highly underutilized in the measurement field. In this study, we apply the MFA to analyze third-party evaluations using data from the Personal Potential Index (PPI). The PPI is a third-party measure used to evaluate graduate school applicants noncognitive traits to help inform admissions decisions. We analyzed 12,693 ratings of 6,249 applicants divided into two randomly selected subgroups. We conducted multilevel exploratory factor analysis with one subgroup and tested the hypothesized structure with the other subgroup. This work illustrates the advantages and challenges of using MFA approach to support the meaningful and valid interpretation of scores from third-party evaluations. 相似文献
Missing data is endemic in much educational research. However, practices such as step-wise regression common in the educational research literature have been shown to be dangerous when significant data are missing, and multiple imputation (MI) is generally recommended by statisticians. In this paper, we provide a review of these advances and their implications for educational research. We illustrate the issues with an educational, longitudinal survey in which missing data was significant, but for which we were able to collect much of these missing data through subsequent data collection. We thus compare methods, that is, step-wise regression (basically ignoring the missing data) and MI models, with the model from the actual enhanced sample. The value of MI is discussed and the risks involved in ignoring missing data are considered. Implications for research practice are discussed. 相似文献
The study investigated adolescent students’ perceptions of sleep duration and patterns, and the way they relate to emotional and behavioural difficulties. Five hundred and two students from public schools in Greece completed the Sleep Questionnaire and the Strengths and Difficulties Questionnaire (SDQ). It was demonstrated that consistency in sleep duration and quality in sleep patterns were associated with a reduction in adolescents’ reports of emotional and behavioural difficulties. Sleep duration was similarly distributed across gender, while sleep patterns were gender‐specific. Distinct differential effects of gender, sleep duration and patterns to adolescents’ emotional and behavioural difficulties were also found. These findings and their implications for research and practice are discussed, within the scope of the biopsychosocial framework in education. 相似文献
ABSTRACTBackground: Physics is often seen as a discipline with difficult content, and one that is difficult to identify with. Socialisation processes at the upper secondary school level are of particular interest as these may be linked to the subsequent low and uneven participation in university physics. Focusing on how norms are construed in physics classrooms in upper secondary school is therefore relevant.Purpose: The purpose of this paper is to identify discursive patterns in teacher–student interactions in physics classrooms.Design and methods: Three different physics lessons with one class of students taught by three different teachers in upper secondary school were video-recorded. Positioning theory was used to analyse classroom interaction with a specific focus on how physics was positioned.Results: We identified seven different storylines. Four of them (‘reaching a solution to textbook problems’, ‘discussing physics concepts in order to gain better understanding’, ‘doing empirical enquiry’ and ‘preparing for the upcoming exam’) represent what teaching physics in an upper secondary school classroom can be. The last three storylines (‘mastering physics’, ‘appreciating physics’ and ‘having a feeling for physics’) all concern how students are supposed to relate to physics and, thus, become ‘insiders’ in the discipline.Conclusions: The identification and analysis of storylines raises awareness of the choices teachers make in physics education and their potential consequences for students. For example, in the storyline of mastering physics a good physics student is associated with ‘smartness’, which might make the classroom a less secure place in general. Variation and diversity in the storylines construed in teaching can potentially contribute to a more inclusive physics education. 相似文献
The creation and the achievements of the Virtual University of Monterrey Tech (Instituto Tecnolo´gico y de Estudios Superiores de Monterrey) in Mexico are briefly described. Monterrey Tech itself, which was founded in 1943, has had a vocation going back a number of years to offer distance education on a number of satellite campuses. The Virtual University was founded in 1996 to carry on the distance education vocation of the institution as a whole in Mexico and in other Latin American countries with the use of the new information and communications technologies (ICTs). The Virtual University is particularly active in the domain of community education, teacher retraining, in-company training programmes, and in the offer of training for Mexican state and local officials. Although a private entity, the Virtual University and its parent organization, Monterrey Tech, are firmly committed to the public development of Mexico. 相似文献
Co-assessment is a type of participatory assessment in which the teacher and student jointly discuss, negotiate and assess the student’s task or performance. Although the literature on co-assessment is scarce, some authors highlight the benefits for students of participating in co-assessment in higher education, including learning, improved communication, and greater assessment literacy. This study has a double objective: on the one hand, to analyse the strengths and limitations perceived by students participating in co-assessment practices; on the other hand, to explore the strengths, weaknesses, opportunities and threats perceived by professors participating in the experience. The study was developed in 8 class groups with the participation of 470 students and 4 teachers. The qualitative analysis of the data obtained from the questionnaires and focus groups indicates that the students acknowledged several strengths, among which learning from mistakes was prominent. Students also noted some limitations, particularly the lack of adjusted scoring. Professors offered another perspective that complemented the vision of their students, noting that co-assessment presents opportunities as well as risks that may jeopardise its implementation. 相似文献
Children's number sense in kindergarten was used to predict their calculation fluency in second grade (N = 198). Using block entry regression, usual predictors of age, reading, memory, and verbal and spatial cognition were entered in the first block and number sense measures were added in the second block. Number sense measures contributed a significant amount of variance over and above the more general predictors (26%-42%). Uniquely predictive subareas were active memory for numbers, number knowledge, and number combinations, with number combinations standing out as the strongest single predictor. Number sense screening in kindergarten, using "at-risk" versus "not-at-risk" criteria, successfully ruled out 84% of the children who did not go on to have calculation fluency difficulties and positively identified 52% of the children who later showed fluency difficulties. The relation of early number skills to later calculation fluency has important implications for math screening and intervention. 相似文献
Constructing explanations of scientific concepts is one of the most frequent strategies used in the science classroom and is a high-leverage teaching practice. This study analysed the explanations provided by student teachers in STEM areas from a socio-materiality perspective focused on verbal and nonverbal language and representations. The study was conducted in a hybrid research format by scholars and a preservice teacher. First, the study compared the representational elements used by 86 student teachers to construct explanations about various concepts in a roleplay setting. Next, a positioning analysis was done by a preservice teacher, to a selection of five of these explanations focused on the concept of “force”. The positioning analysis highlighted the embedded voices in the construction of explanations, with a focus on the intersection between science and language. The results showed that the student teachers created explanations as static artefacts, mainly using examples, graphs and images to clarify the concepts. The voices of learners and scientists were mostly absent from the explanations, which led to the presentation of explanations in STEM areas as finished and unquestionable artefacts, with references neither to nature nor to the history of science. We reflect on the meanings attributed to learning to be a practitioner in the context of interconnecting science and language through explanations, as a process of meaning (re)production within the classroom. Implications for teacher education are discussed in order to enhance student teachers’ awareness about constructing knowledge by enacting explanations in the science classroom.
Previous research found racial identity predictive of psychological distress among African American students at predominantly White colleges. This study examined these relationships among 154 African American undergraduates attending a historically Black university. Racial identity was independent of psychological distress, suggesting that African American students' racial identity predicts psychological distress only in settings in which they are the minority. 相似文献