Carolyn A. Denton
University of Texas Health Science Center at Houston
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Featured researches published by Carolyn A. Denton.
Journal of Learning Disabilities | 2006
Carolyn A. Denton; Jack M. Fletcher; Jason L. Anthony; David J. Francis
To evaluate the effects of an intensive tertiary reading intervention, 27 students with severe reading difficulties and disabilities, 14 of whom had demonstrated an inadequate response to 1—2 tiers of prior reading instruction, received a 16-week intervention package involving decoding and fluency skills. The decoding intervention was provided for 2 hours per day for 8 weeks and was based on the Phono-Graphix program. The fluency intervention followed the decoding intervention and involved 1 hour of daily instruction for 8 weeks based on the Read Naturally program. The 16-week intervention resulted in significant improvement in reading decoding, fluency, and comprehension. Although individual responses to the intervention were variable, 12 of the 27 students showed a significant response to these interventions. Students who had participated in previous Tier 1 plus Tier 2 interventions but remained impaired had a stronger response to intervention in the current study than students who had previously participated only in Tier 1 intervention and students who had not received prior intervention outside of special education.
Learning Disabilities Research and Practice | 2003
Carolyn A. Denton; Sharon Vaughn; Jack M. Fletcher
Multiple consensus reports have provided converging evidence regarding effective instruction for students who have difficulty learning to read. Evidence-based instruction in general education classrooms must be in place in order to implement response-to-intervention models. Despite the well-developed knowledge base supporting the value of interventions that have been demonstrated to have positive outcomes, these interventions are not widely employed in typical classroom instruction, and models of service delivery for students with reading and learning disabilities implemented in schools are often ineffective. Recent research has demonstrated that this need not be the case, but there are many obstacles to change. Large-scale implementation of effective educational practices for struggling readers depends on a research agenda that directly addresses questions related to scaling and sustaining educational innovations. We suggest that reform depends on collaboration among researchers, educational practitioners, teacher educators, and policymakers, with the common goal of improving outcomes for students who might otherwise experience reading failure.
Journal of Learning Disabilities | 2005
Jack M. Fletcher; Carolyn A. Denton; David J. Francis
This article reviews the validity of models based on (a) aptitude—achievement discrepancies, (b) low achievement, (c) intraindividual differences, and (d) response to instruction for the classification and identification of learning disabilities (LD). Models based on aptitude—achievement discrepancies and intraindividual differences showed little evidence of discriminant validity. Low achievement models had stronger discriminant validity but do not adequately assess the most significant component of the LD construct, unexpected underachievement. All three of these status models have limited reliability because of their reliance on a measurement at a single time point. Models that incorporate response to instruction have stronger reliability and validity but cannot represent the sole criterion for LD identification. Hybrid models combining low achievement and response to instruction most clearly capture the LD construct and have the most direct relation to instruction. The assessment of students for LD must reflect a stronger underlying classification that takes into account relations with other developmental disorders as well as the reliability and validity of the underlying classification and resultant identification system.
Journal of Educational and Psychological Consultation | 2009
Carolyn A. Denton; Jan Hasbrouck
In large numbers of elementary and secondary schools across the United States teachers are being called upon to provide support to colleagues through a process called “instructional coaching.” Despite widespread implementation of this role, resulting in part from federal initiatives, there is little consensus regarding its operational definition and little empirical research related to it. Following a brief description of the evolution of coaching along with a descriptive discussion of its implementation in schools, the authors describe various implementations of coaching, concluding that there is a need for fully-articulated theoretical and operational models of instructional coaching. The authors compare various coaching approaches to instructional and collaborative consultation and suggest that there is good reason for active communication and collaboration between consultants and coaches operating within the same schools. Finally, they describe current trends and needs related to professional development of instructional coaches and articulate a research agenda related to the field.
Elementary School Journal | 2004
Carolyn A. Denton; Jason L. Anthony; Richard I. Parker; Jan E. Hasbrouck
Spanish-dominant bilingual students in grades 2-5 were tutored 3 times per week for 40 minutes over 10 weeks, using 2 English reading interventions. Tutoring took place from February through April of 1 school year. One, Read Well, combined systematic phonics instruction with practice in decodable text, and the other, a revised version of Read Naturally, consisted of repeated reading, with contextualized vocabulary and comprehension instruction. The progress of tutored students (n = 51) was compared to that of nontutored classmates (n = 42) using subtests of the Woodcock Reading Mastery Tests-Revised. Students who received systematic phonics instruction made significant progress in word identification but not in word attack or passage comprehension. There were no significant effects for students in the repeated reading condition.
Scientific Studies of Reading | 2011
Carolyn A. Denton; Amy E. Barth; Jack M. Fletcher; Jade Wexler; Sharon Vaughn; Paul T. Cirino; Melissa Romain; David J. Francis
The purpose of this study was to investigate the relations among oral and silent reading fluency and reading comprehension for students in Grades 6 to 8 (n = 1,421) and the use of fluency scores to identify middle school students who are at risk for failure on a high-stakes reading test. Results indicated moderate positive relations between measures of fluency and comprehension. Oral reading fluency (ORF) on passages was more strongly related to reading comprehension than ORF on word lists. A group-administered silent reading sentence verification test approximated the classification accuracy of individually administered ORF passages. The correlation between a maze task and comprehension was weaker than has been reported for elementary students. The best predictor of a high-stakes reading comprehension test was the previous years administration of the grade-appropriate test; fluency and verbal knowledge measures accounted for only small amounts of unique variance beyond that accounted for by the previous years administration.
Journal of Learning Disabilities | 2012
Sharon Vaughn; Jade Wexler; Audrey Leroux; Greg Roberts; Carolyn A. Denton; Amy E. Barth; Jack M. Fletcher
The authors report the effects of a yearlong, very small-group, intensive reading intervention for eighth-grade students with serious reading difficulties who had demonstrated low response to intervention (RTI) in both Grades 6 and 7. At the beginning of Grade 6, a cohort of students identified as having reading difficulties were randomized to treatment or comparison conditions. Treatment group students received researcher-provided reading intervention in Grade 6, which continued in Grade 7 for those with low response to intervention; comparison students received no researcher-provided intervention. Participants in the Grade 8 study were members of the original treatment (N = 28) and comparison (N = 13) conditions who had failed to pass a state-mandated reading comprehension test in both Grades 6 and 7. In Grade 8, treatment group students received a 50-minute, daily, individualized, intensive reading intervention in groups of two to four students per teacher. The results showed that students in the treatment condition demonstrated significantly higher scores than comparison students on standardized measures of comprehension (effect size = 1.20) and word identification (effect size = 0.49), although most continued to lack grade-level proficiency in reading despite 3 years of intervention. Findings from this study provide a rationale for intensive intervention for middle school students with severe reading difficulties.
Journal of Child Neurology | 2002
Panagiotis G. Simos; Jack M. Fletcher; Barbara R. Foorman; David J. Francis; Eduardo M. Castillo; Robert N. Davis; Michele E. Fitzgerald; Patricia G. Mathes; Carolyn A. Denton; Andrew C. Papanicolaou
In the present study, we demonstrate for the first time the presence of an aberrant brain mechanism for reading in children who have just started acquiring reading skills. Children who, at the end of kindergarten, are found to be at risk for developing reading problems display markedly different activation profiles than children who have, at this stage, already mastered important prereading skills. This aberrant profile is characterized by the lack of engagement of the left-hemisphere superior temporal region, an area normally involved in converting print into sound, and an increase in activation in the corresponding right-hemisphere region. This finding is consistent with current cognitive models of reading acquisition and dyslexia, pointing to the critical role of phonologic awareness skills in learning to read. (J Child Neurol 2002;17:159-163).
Exceptional Children | 2011
Sharon Vaughn; Jade Wexler; Greg Roberts; Amy E. Barth; Paul T. Cirino; Melissa Romain; David J. Francis; Jack M. Fletcher; Carolyn A. Denton
This study reports the effectiveness of a year-long, small-group, tertiary (Tier 3) intervention that examined 2 empirically derived but conceptually different treatments and a comparison condition. The researchers had randomly assigned all students to treatment or comparison conditions. The participants were seventh- and eighth-grade students from the previous year who received an intervention and did not meet exit criteria. The researchers assigned them to one of two treatments: standardized (n = 69) or individualized (n = 71) for 50 min a day, in group sizes of 5, for the entire school year. Comparison students received no researcher-provided intervention (n = 42). The researchers used multigroup modeling with nested comparisons to evaluate the statistical significance of Time 3 estimates. Students in both treatments outperformed the comparison students on assessments of decoding, fluency, and comprehension. Intervention type did not moderate the pattern of effects, although students in the standardized treatment had a small advantage over individualized students on word attack. This study provides a framework from which to refine further interventions for older students with reading disabilities.
Journal of Learning Disabilities | 2012
Carolyn A. Denton
The purpose of this article is to describe the current research base and identify research needs related to response to intervention (RTI) frameworks in primary-grade reading. Research is reviewed on early reading instruction and intervention, the implementation of multitiered reading interventions, and the determination of intervention responsiveness. Areas identified as in need of research include (a) the conditions under which early reading interventions are most effective in RTI contexts, (b) multitiered interventions for students with limited English proficiency, (c) reading instruction for students who make limited progress in Tier 3 intensive interventions, (d) criteria for determining intervention responsiveness, and (e) the effects of fully implemented RTI frameworks. Although RTI research may be expensive and difficult to implement, it may contribute to improved reading outcomes for many students who are otherwise at risk of serious negative life consequences.