Search Results - "Willcutt, Erik"

The Prevalence of DSM-IV Attention-Deficit/Hyperactivity Disorder: A Meta-Analytic Review by Willcutt, Erik G.

“…This article describes a comprehensive meta-analysis that was conducted to estimate the prevalence of attention-deficit/hyperactivity disorder (ADHD), as…”
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Understanding, Educating, and Supporting Children With Specific Learning Disabilities: 50 Years of Science and Practice by Grigorenko, Elena L., Compton, Donald L., Fuchs, Lynn S., Wagner, Richard K., Willcutt, Erik G., Fletcher, Jack M.

“…Specific learning disabilities (SLDs) are highly relevant to the science and practice of psychology, both historically and currently, exemplifying the…”
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ADHD prevalence estimates across three decades: an updated systematic review and meta-regression analysis by Polanczyk, Guilherme V, Willcutt, Erik G, Salum, Giovanni A, Kieling, Christian, Rohde, Luis A

“…Background: Previous studies have identified significant variability in attention-deficit / hyperactivity disorder (ADHD) prevalence estimates worldwide,…”
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Advancing the study of sluggish cognitive tempo via DSM, RDoC, and hierarchical models of psychopathology by Becker, Stephen P., Willcutt, Erik G.

“…Sluggish cognitive tempo (SCT) is separable from attention-deficit/hyperactivity disorder (ADHD) and other psychopathologies, and growing evidence demonstrates…”
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The Internal, External, and Diagnostic Validity of Sluggish Cognitive Tempo: A Meta-Analysis and Critical Review by Becker, Stephen P., PhD, Leopold, Daniel R., MA, Burns, G. Leonard, PhD, Jarrett, Matthew A., PhD, Langberg, Joshua M., PhD, Marshall, Stephen A., MS, McBurnett, Keith, PhD, Waschbusch, Daniel A., PhD, Willcutt, Erik G., PhD

“…Objective To conduct the first meta-analysis evaluating the internal and external validity of the sluggish cognitive tempo (SCT) construct as related to or…”
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Sex differences in ADHD symptom severity by Arnett, Anne B., Pennington, Bruce F., Willcutt, Erik G., DeFries, John C., Olson, Richard K.

“…Background Males show higher rates of attention deficit hyperactivity disorder (ADHD) than do females. Potential explanations include genuine etiological…”
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Sluggish Cognitive Tempo and Neuropsychological Functioning by Creque, Chava A, Willcutt, Erik G

“…Sluggish cognitive tempo (SCT) is marked by impairments across social, emotional, and academic functioning, but few studies have examined the association…”
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Report of a Work Group on Sluggish Cognitive Tempo: Key Research Directions and a Consensus Change in Terminology to Cognitive Disengagement Syndrome by Becker, Stephen P., Willcutt, Erik G., Leopold, Daniel R., Fredrick, Joseph W., Smith, Zoe R., Jacobson, Lisa A., Burns, G. Leonard, Mayes, Susan D., Waschbusch, Daniel A., Froehlich, Tanya E., McBurnett, Keith, Servera, Mateu, Barkley, Russell A.

“…The aim of this work was 2-fold: (1) to evaluate current knowledge and identify key directions in the study of sluggish cognitive tempo (SCT); and (2) to…”
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Differential impact of trait sluggish cognitive tempo and ADHD inattention in early childhood on adolescent functioning by Becker, Stephen P., Burns, G. Leonard, Leopold, Daniel R., Olson, Richard K., Willcutt, Erik G.

“…Background Sluggish cognitive tempo (SCT) is distinct from attention‐deficit/hyperactivity disorder inattention (ADHD‐IN) and concurrently associated with a…”
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Explaining the sex difference in dyslexia by Arnett, Anne B., Pennington, Bruce F., Peterson, Robin L., Willcutt, Erik G., DeFries, John C., Olson, Richard K.

“…Background Males are diagnosed with dyslexia more frequently than females, even in epidemiological samples. This may be explained by greater variance in males’…”
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Attention-deficit/hyperactivity disorder and sluggish cognitive tempo throughout childhood: temporal invariance and stability from preschool through ninth grade by Leopold, Daniel R., Christopher, Micaela E., Burns, G. Leonard, Becker, Stephen P., Olson, Richard K., Willcutt, Erik G.

“…Background Although multiple cross‐sectional studies have shown symptoms of sluggish cognitive tempo (SCT) and attention‐deficit/hyperactivity disorder (ADHD)…”
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Mathematics Achievement and Anxiety and Their Relation to Internalizing and Externalizing Behaviors by Wu, Sarah S., Willcutt, Erik G., Escovar, Emily, Menon, Vinod

“…Although behavioral difficulties are well documented in reading disabilities, little is known about the relationship between math ability and internalizing and…”
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Comorbidity Between Reading Disability and Math Disability: Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning by Willcutt, Erik G., Petrill, Stephen A., Wu, Sarah, Boada, Richard, DeFries, John C., Olson, Richard K., Pennington, Bruce F.

“…Reading disability (RD) and math disability (MD) frequently co-occur, but the etiology of this comorbidity is not well understood. Groups with RD only (N =…”
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Heritability and Clinical Characteristics of Neuropsychological Profiles in Youth With and Without Elevated ADHD Symptoms by Arnett, Anne B., McGrath, Lauren M., Flaherty, Brian P., Pennington, Bruce F., Willcutt, Erik G.

“…Objective: In the last decade, there has been an increase in research that aims to parse heterogeneity in attention deficit hyperactivity disorder (ADHD). The…”
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A multiple deficit model of reading disability and attention-deficit/hyperactivity disorder: searching for shared cognitive deficits by McGrath, Lauren M., Pennington, Bruce F., Shanahan, Michelle A., Santerre-Lemmon, Laura E., Barnard, Holly D., Willcutt, Erik G., DeFries, John C., Olson, Richard K.

“…Background:  This study tests a multiple cognitive deficit model of reading disability (RD), attention‐deficit/hyperactivity disorder (ADHD), and their…”
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Validity of the Executive Function Theory of Attention-Deficit/Hyperactivity Disorder: A Meta-Analytic Review by Willcutt, Erik G., Doyle, Alysa E., Nigg, Joel T., Faraone, Stephen V., Pennington, Bruce F.

“…One of the most prominent neuropsychologic theories of attention-deficit/hyperactivity disorder (ADHD) suggests that its symptoms arise from a primary deficit…”
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Cognitive Prediction of Reading, Math, and Attention: Shared and Unique Influences by Peterson, Robin L., Boada, Richard, McGrath, Lauren M., Willcutt, Erik G., Olson, Richard K., Pennington, Bruce F.

“…The current study tested a multiple-cognitive predictor model of word reading, math ability, and attention in a community-based sample of twins ages 8 to 16…”
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Predictive Validity of a Continuous Alternative to Nominal Subtypes of Attention-Deficit/Hyperactivity Disorder for DSM-V by Lahey, Benjamin B., Willcutt, Erik G.

“…Three subtypes of attention-deficit/hyperactivity disorder (ADHD) based on numbers of symptoms of inattention (I) and hyperactivity-impulsivity (HI) were…”
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The Unique Role of Early Spelling in the Prediction of Later Literacy Performance by Treiman, Rebecca, Hulslander, Jacqueline, Olson, Richard K, Willcutt, Erik G, Byrne, Brian, Kessler, Brett

“…We examined the predictive value of early spelling for later reading performance by analyzing data from 970 U.S. children whose spelling was assessed in the…”
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How relations between early reading skills and third-grade mathematics outcomes vary across distribution: A quantile regression approach by Zhu, Zhixin, Zuckerman, Astrid P, Shero, Jeffrey A, Willcutt, Erik G, Thompson, Lee A, Petrill, Stephen A

“…Early reading skills are critical for later academic outcomes, which include mathematics. Yet, these relations may vary by a child's ability level. This study…”
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