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81.
Automaticity, retrieval processes, and reading: a longitudinal study in average and impaired readers 总被引:20,自引:0,他引:20
In this longitudinal investigation, the development of word-retrieval speed and its relationship to reading was studied in 72 average and 11 severely impaired readers in the kindergarten to grade 2 period (5-8 years). Subjects received a battery of 3 reading measures and 4 continuous naming tests with varied stimulus requirements. Results indicated that the relationship of retrieval speed to reading is a function of development and the correspondence between higher- and lower-level processes in the specific retrieval and reading measures. As automaticity in retrieval developed in average readers, naming-speed/reading relationships moved from strong, general predictions to highly differentiated ones. The strongest correlations were between naming speed for graphological stimuli and lower-level reading tasks. Impaired readers performed slower than average readers on all naming measures across all years, particularly on graphological symbols. 3 dyslexic subgroups emerged: the largest was globally impaired across all naming rate and reading tasks; 2 smaller subgroups had early specific, retrieval-rate deficits and dissociated reading deficits. 相似文献
82.
The present drinking water purification system in Egypt Uses surface water as a raw water supply without a pre-liminary filtration process.On the other hand,chlorine gas iS added as a disinfectant agent in two steps,pre- and post.chlorination.Due to these reasons most of water treatment plants suffer low fltering effectiveness and produce the trihalomethane (THM) species as a chlorination by-product.The Ismailia Canal represents the most distal downstream of the main Nile Rivet.ThUS its water contains all the proceeded pollutants discharged into the Nile.In addition.the downstream reaches of the canal act as an agricultural drain during the closing period of the High Dam gates in January and February every year.Moreover,the wide in-dustrial zone along the upstream course of the carlal enriches the canal water with high concentrations of heavy metals.The obtained results indicate that the canal gains up to 24.06×106m3 of water from the surrounding shallow aquifer during the closing period ofthe High Dam gates,while during the rest ofthe year,the callal acts as an influent stream losing about 99.6×106m3 of its water budget.The reduction oftotaI organic carbon(TOC) and suspended particulate mattes(SPMs)should be one of the central goals of any treatment plan to avoid the disinfectants by-products.The combination of sedimentation basins.gravel pre-filtration and slow sand filtration,and underground passage with microbiological oxidation-reduction and adsorption criteria showed good removal of parasites and bacteria and complete elimination of TOC.SPM and heavy metals.Moreover,it reduces the use of disinfectants chemicals and lowers the treatment costs.However,this purification system under the arid climate prevailing in Egypt should be tested and modified prior to application. 相似文献
83.
Rebecca Wolf Jennifer Morrison Amanda Inns Robert Slavin Kelsey Risman 《Journal of research on educational effectiveness》2020,13(2):428-447
AbstractRigorous evidence of program effectiveness has become increasingly important with the 2015 passage of the Every Student Succeeds Act (ESSA). One question that has not yet been fully explored is whether program evaluations carried out or commissioned by developers produce larger effect sizes than evaluations conducted by independent third parties. Using study data from the What Works Clearinghouse, we find evidence of a “developer effect,” where program evaluations carried out or commissioned by developers produced average effect sizes that were substantially larger than those identified in evaluations conducted by independent parties. We explore potential reasons for the existence of a “developer effect” and provide evidence that interventions evaluated by developers were not simply more effective than those evaluated by independent parties. We conclude by discussing plausible explanations for this phenomenon as well as providing suggestions for researchers to mitigate potential bias in evaluations moving forward. 相似文献
84.
Meagan D. OMalley Leora Wolf‐Prusan Cecilia Lima Rodriguez Randy Xiong Mary Rose Swarts 《Psychology in the schools》2019,56(2):255-275
Threat‐assessment procedures are advanced for their utility in reducing racial disparities in punitive and exclusionary school discipline outcomes. Generally unexamined, however, is bias in who gets referred for school‐based threat assessment and under what circumstances. Cultural‐competence considerations hold promise for addressing sources of bias in the evaluation of threats made in the school setting. Using a quantitative approach, this systematic literature review examines the degree to which contemporary cultural‐competence considerations are embedded in 24 school‐based threat‐assessment articles published between 2007 and 2017. Results indicate generally poor coverage of considerations for cultural competence both within and across threat‐assessment articles. An analysis of change in cultural‐competence considerations by year of publication suggests that more recently published threat‐assessment literature has generally not integrated concurrent advancements in concepts of cultural competence. Preliminary guidance for incorporating contemporary cultural‐competence considerations into school‐based threat‐assessment procedures are provided. 相似文献
85.
Cirino PT Rashid FL Sevcik RA Lovett MW Frijters JC Wolf M Morris RD 《Journal of learning disabilities》2002,35(6):525-538
Achievement and cognitive tests are used extensively in the diagnosis and educational placement of children with reading disabilities (RD). Moreover, research on scholastic interventions often requires repeat testing and information on practice effects. Little is known, however, about the test-retest and other psychometric properties of many commonly used measures within the beginning reader population, nor are these nationally normed or experimental measures comparatively evaluated. This study examined the test-retest reliability, practice effects, and relations among a number of nationally normed measures of word identification and spelling and experimental measures of achievement and reading-related cognitive processing tests in young children with significant RD. Reliability was adequate for most tests, although lower than might be ideal on a few measures when there was a lengthy test-retest interval or with the reduced behavioral variability that can be seen in groups of beginning readers. Practice effects were minimal. There were strong relations between nationally normed measures of decoding and spelling and their experimental counterparts and with most measures of reading-related cognitive processes. The implications for the use of such tests in treatment studies that focus on beginning readers are discussed. 相似文献
86.
Aline D. Wolf 《Early Childhood Education Journal》1986,14(1):18-19
Is art appreciation included in your curriculum? Are the youngsters in your class exposed to Renoir, Degas, and Monet? Children are never too young to be introduced to culture and the arts, and once that appreciation is acquired it is a gift of knowledge that will last a lifetime. 相似文献
87.
88.
Maryanne Wolf Alyssa Goldberg O'Rourke Calvin Gidney Maureen Lovett Paul Cirino Robin Morris 《Reading and writing》2002,15(1-2):43-72
An increasing body of dyslexia researchdemonstrates, in addition to phonologicaldeficits, a second core deficit in theprocesses underlying naming speed. Thehypothesized independence of phonologicalawareness and naming-speed variables inpredicting variance in three aspects of readingperformance was studied in a group of 144severely-impaired readers in Grades 2 and 3. Stepwise regression analyses were conducted onthese variables, controlling for the effects ofSES, age, and IQ. Results indicated thatphonological measures contribute more of thevariance to those aspects of reading skill thatinvolve decoding or word attack skills;naming-speed measures contribute more to skillsinvolved in word identification. Subtypeclassification findings were equally supportiveof the independence of the two deficits: 19%of the sample had single phonological deficits;15% had single naming-speed deficits; 60% had double-deficits; and 6% could not be classified. The implications of these findingsfor diagnosis and intervention are discussed. 相似文献
89.
Dysconscious racism is generally defined as the unquestioned acceptance of culturally dominant norms and privileges, with three categories used to describe college students’ reasoning for enduring racial inequity. These range from the historical determinism of slavery to racially exploitive standards inherent in American society. However, few studies have fully utilized these categories. This article has sought to encourage a renewed interest into the student categories by considering them as more of a progressive, developmental continuum. 相似文献
90.