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41.
Howard Wainer X. A. Wang William P. Skorupski Eric T. Bradlow 《Journal of Educational Measurement》2005,42(3):271-281
In this note, we demonstrate an interesting use of the posterior distributions (and corresponding posterior samples of proficiency) that are yielded by fitting a fully Bayesian test scoring model to a complex assessment. Specifically, we examine the efficacy of the test in combination with the specific passing score that was chosen through expert judgment, or, in general, any external a priori criterion. In addition, we study the robustness of the test's efficacy with respect to choice of the passing score. 相似文献
42.
Eric R. Baltrinic Marty Jencius Jason McGlothlin 《Counselor Education & Supervision》2016,55(1):31-45
This phenomenological study explored 10 counselor education doctoral students' coteaching experiences with faculty members. Three coteaching structures identified from the data were relational, operational, and developmental. A definition of coteaching supported by the findings is presented. Implications for counselor education programs, limitations, and directions for future research are discussed. 相似文献
43.
The effects of identical context on pattern recognition by pigeons for outline drawings of faces were investigated by training
pigeons to identify (Experiment 1) and categorize (Experiment 2) these stimuli according to the orientation of the mouth—an
upright U shape representing a smiling mouth or an inverted U shape representing a sad mouth. These target stimuli were presented
alone (Pair 1), with three dots in a triangular orientation to represent a nose and eyes (Pair 2), and with the face pattern
surrounded by an oval (Pair 3). In Experiment 1, the pigeons trained with Pair 1 were most accurate, those trained with Pair
2 were less so, and those trained with Pair 3 failed to acquire the discrimination within eighty 100-trial sessions. The same
ordering was found in Experiment 2 for pigeons trained on the three pairs simultaneously. The authors suggest that a contrasting
finding in humans, the face superiority effect, might be due to a gain in discriminability resulting from recognition of the
pattern as a face. An exemplar model of information processing that excludes linguistic coding accounts for the present results. 相似文献
44.
In this study, we examined the discursive and social practices of a teacher educator (the first author) and her eight beginning science teachers in a course on the nature of science and issues of equity and diversity. We focused our investigation on beginning science teachers' views of science and science teaching, as well as the grounds they offered for their views. We organized our discussion of the nature of science, teacher learning, and grounds for views along three dimensions: personal, social, and political. We found that beginning teachers routinely drew from only one of these three dimensions to support their views of the nature of science and ways to represent science to all students. In our implications, we recommend that teacher educators encourage teacher learners to examine personal, social, and political grounds carefully and critically in the process of constructing or revising their views. We argue that attention to these three dimensions of grounds for views will assist beginning teachers in adopting nature of science positions that are broad and complex, that more clearly reflect the goals of equity and excellence, and thus, that hold greater promise for achieving a science education inclusive of all students. © 2003 Wiley Periodicals, Inc. J Res Sci Teach 40: 53–76, 2003 相似文献
45.
Pigeons' keypecking was reinforced by food on baseline schedules of multiple variable interval (VI) x VI x and on contrast schedules of multiple VI x VI y. Deprivation of food was varied by maintaining subjects at 75%, 85%, and 95% (+/- 2%) of their free-feeding weights. Positive and negative behavioral contrast were observed. The size of the contrast was not systematically altered by changes in deprivation. Positive and negative contrast were both larger later in the session than they were earlier. Within-session decreases in responding were steeper for the baseline than for the contrast schedules for positive contrast. Within-session decreases were steeper for the contrast than for the baseline schedules for negative contrast. These results were predicted by the idea that different amounts of habituation to the reinforcer during the baseline and contrast schedules contribute to behavioral contrast. The results show that contrast occurs under conditions that reduce the effect of the following component. The results support the assumption that positive and negative contrast are produced by symmetrical theoretical variables. 相似文献
46.
47.
Eric M. David 《The Urban Review》1994,26(4):243-255
Perched on the Mason-Dixon line, Baltimore ignored calls for resistance from its southern neighbors by becoming one of the
first cities in the country to comply withBrown. By the beginning of the 1955 school year, leaders had implemented a desegregation plan, and Baltimore was being applauded
for the early and peaceful integration of its public schools.
Within a few years, however, the praise faded as it became clear that Baltimore still suffered from de facto segregation.
Faced with this reality, the school board refused to take the steps necessary to remedy the problem, instead shifting the
blame to society at large. This failure by the board started a pattern of abandonment by school leadership that culminated
in 1991 with the privatization of several of Baltimore's public schools. The result of this abandonment is a crippled school
system that still has not dealt with issues of race and equality. 相似文献
48.
49.
The predictive value of rime spellings in English was compared directly to other types of regularities beyond the level of the single letter. A computer-assisted analysis of a list of twenty-four thousand written words, each paired with its corresponding pronunciation, reveals that only a small number of rime spellings are highly regular in their pronunciations. The conventional division of vowel letter pronunciations into short and long in closed and open written syllables is the most reliable key to English pronunciation. Our findings support the notion that English spelling is based at least in part on syllable structure. In addition, prefixes and suffixes provide very reliable clues to pronunciation, which suggests that their regularity should be exploited in the teaching of reading. 相似文献
50.
Caregiver perceptions of inclusive playgrounds targeting toddlers and preschoolers with disabilities: has recent international and national policy improved overall satisfaction? 下载免费PDF全文
Tina L. Stanton‐Chapman Eric L. Schmidt 《Journal of Research in Special Educational Needs》2017,17(4):237-246
The purpose of the current study was to survey and interview caregivers of children with disabilities (ages 2–5 years) to obtain their input as to whether current playground equipment meets their child's needs. A total of 149 participants agreed to participate. Caregivers (i) indicated that their child with a disability could not fully participate in the playground's offerings, (ii) felt that the playground was not appropriate for their child with a disability and (iii) dreamed of a fully inclusive playground that met their child's needs. The results also demonstrate that social participation barriers continue to remain for families who have children with disabilities despite the passing of international human rights standards targeting individuals with disabilities and a global focus in improving the overall well‐being of children with disabilities. 相似文献