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71.
Semantic annotation of images is an important step to support semantic information extraction and retrieval. However, in a multi-annotator environment, various types of conflicts such as converting, merging, and inference conflicts could arise during the annotation. We devised conflict detection patterns based on different data, ontology at different inference levels and proposed the corresponding automatic conflict resolution strategies. We also constructed a simple annotator model to decide whether to trust a given piece of annotation from a given annotator. Finally, we conducted experiments to compare the performance of the automatic conflict resolution approaches during the annotation of images in the celebrity domain by 62 annotators. The experiments showed that the proposed method improved 3/4 annotation accuracy with respect to a naïve annotation system. 相似文献
72.
ABSTRACTObtaining a tertiary degree no longer guarantees entry to the best occupational positions in today’s labour market. Success is no longer about ‘more’ education, but about ‘better’ education for university graduates. This study aims to understand whether university prestige in Korea accounts for occupational outcomes in both monetary and non-monetary aspects, such as salaries and job satisfaction. The study particularly focuses on the way different levels of university prestige are affected by gender. The fourth wave data from the Korean Education and Employment Panel were used, providing information from the results of a panel survey of university graduates in terms of their social and academic background and job employment status. Results show that university prestige continues to matters in occupational outcomes in particular, for wage, but it is not significant for job satisfaction. The effect is more significant among male graduates than among female graduates. 相似文献
73.
Jeffrey A. Hayes Soo Jeong Youn Louis G. Castonguay Benjamin D. Locke Andrew A. McAleavey Sam Nordberg 《Journal of College Counseling》2011,14(2):105-116
A comparison of institutional enrollment data and counseling center service utilization data at 66 universities showed that neither ethnic minority students nor European American students under‐ or overutilized counseling services (Study 1). Data from Study 2 examining students in the general campus bodies at 45 institutions indicated that utilization of counseling center services for students of various ethnicities was predicted by the ethnic composition of the counseling center staff. Among students of color, utilization of campus counseling services was predicted by greater psychological distress, less family support, and a history of previous psychological problems. 相似文献
74.
Seung Youn Chyung 《Performance Improvement Quarterly》2015,27(4):77-96
Evaluation is one of the critical steps in the process of performance improvement. Evaluation feeds evidence‐based information back to the next cycle of performance improvement. However, organizations often neglect to conduct comprehensive evaluations on their programs due to environmental barriers or the lack of practitioners’ evaluation expertise. This article presents some of the foundational evaluation‐related concepts and procedures that would help human performance improvement practitioners when conducting comprehensive systematic and systemic evaluations of the interventions implemented in organizations: (a) evaluation versus research, (b) front‐end evaluation versus back‐end evaluation, (c) definition of program evaluation, (d) types of program stakeholders, (e) development of program logic models, (f) formative evaluation versus summative evaluation, (g) merit versus worth, and (h) development of evaluation dimensions. Such foundational knowledge is just one of the first steps to prevent evaluations from being neglected or mistaken with simple measurements through administering instruments such as smiley sheets. 相似文献
75.
This study proposes a structured constructs model (SCM) to examine measurement in the context of a multidimensional learning progression (LP). The LP is assumed to have features that go beyond a typical multidimentional IRT model, in that there are hypothesized to be certain cross‐dimensional linkages that correspond to requirements between the levels of the different dimensions. The new model builds on multidimensional item response theory models and change‐point analysis to add cut‐score and discontinuity parameters that embody these substantive requirements. This modeling strategy allows us to place the examinees in the appropriate LP level and simultaneously to model the hypothesized requirement relations. Results from a simulation study indicate that the proposed change‐point SCM recovers the generating parameters well. When the hypothesized requirement relations are ignored, the model fit tends to become worse, and the model parameters appear to be more biased. Moreover, the proposed model can be used to find validity evidence to support or disprove initial theoretical hypothesized links in the LP through empirical data. We illustrate the technique with data from an assessment system designed to measure student progress in a middle‐school statistics and modeling curriculum. 相似文献
76.
77.
Educational technology research and development - Despite the last 40 years of research showing that computer-aided diagramming tools improve student learning, very little research reveals... 相似文献
78.
This study investigated kindergarten teachers’ decision-making process regarding the acceptance of computer technology. We incorporated the Technology Acceptance Model framework, in addition to computer self-efficacy, subjective norm, and personal innovativeness in education technology as external variables. The data were obtained from 160 kindergarten teachers, from public kindergartens in Daejeon, South Korea. According to the results, subjective norm had the strongest effect on computer acceptance. In addition, perceived usefulness and computer self-efficacy had a direct effect on computer technology acceptance. On the other hand, perceived ease of use and personal innovativeness in education technology had an indirect effect on computer technology acceptance. The measures accounted for approximately 32% of the variance of intentions to use computers in kindergartens. 相似文献
79.
Investigated in this study were hypothesized reciprocal influences between stressful life events and adolescent maladjustment using data from a 6-year, prospective longitudinal study. Stressful life experiences, internalizing symptoms, and externalizing behaviors were assessed for a sample of adolescents (215 males, 236 females) living in the rural Midwest. From 7th to 12th grades, autoregressive analyses showed that stressful life events and these two forms of maladjustment were reciprocally interrelated over time. For example, stressful life events at one point significantly predicted delinquent behaviors 1 year later, which, in turn, significantly predicted stressful life events 1 year later, and vice versa. The findings provide evidence for the accumulating disadvantage for adolescents that results from the mutual reinforcement of problematic situations and adjustment problems over time. 相似文献
80.