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Qian, Gaoyin; And Others – Contemporary Educational Psychology, 1994
Effects of varying the complexity of written Chinese characters in a lexical decision task were studied for 40 adult Chinese students. Results suggest that complexity affects reaction time when subjects identify characters they often read. Theoretical implications are discussed in terms of the interaction of basic perceptual processes and…
Descriptors: Adults, Chinese, Decision Making, Foreign Countries
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Meghabghab, George – Information Processing & Management, 2001
Discusses the evaluation of search engines and uses neural networks in stochastic simulation of the number of rejected Web pages per search query. Topics include the iterative radial basis functions (RBF) neural network; precision; response time; coverage; Boolean logic; regression models; crawling algorithms; and implications for search engine…
Descriptors: Algorithms, Computer Simulation, Evaluation Methods, Mathematical Formulas
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Rinehart, Nicole J.; Bradshaw, John L.; Moss, Simon A.; Brereton, Avril V.; Tonge, Bruce J. – Autism: The International Journal of Research and Practice, 2001
A study examined the executive functioning, in particular the attentional set-shifting deficits in Australian individuals ages 6-20 with high-functioning autism (n=12) and Asperger's disorder (n=12). Results indicate that individuals with autism had a deficiency in shifting from local to global processing, however, this was not observed in…
Descriptors: Adolescents, Asperger Syndrome, Attention, Autism
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Bennett, Kristine; Cavanaugh, Rodney A. – Journal of Applied Behavior Analysis, 1998
A study compared the effects of immediate self-correction, delayed self-correction, and no correction on the acquisition and maintenance of multiplication facts by a fourth-grade student with learning disabilities. Results indicate that both correct response rate and accuracy were higher when self-corrections were immediate rather than delayed or…
Descriptors: Error Correction, Grade 4, Intermediate Grades, Learning Disabilities
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Band, Guido P. H.; van der Molen, Maurits W.; Overtoom, Carin C. E.; Verbaten, Marinus N. – Journal of Experimental Child Psychology, 2000
Compared 5-, 8-, and 11-year-olds and young adults on 6 speeded performance tasks, 4 requiring an inhibition of response activation. Analyzed reaction and inhibition times; found support for hypothesis of generalized developmental changes in response activation, but revealed less pronounced development of inhibition. Concluded that a nonselective…
Descriptors: Age Differences, Children, Comparative Analysis, Cross Sectional Studies
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Weismer, Susan Ellis; Plante, Elena; Jones, Maura; Tomblin, Bruce J. – Journal of Speech, Language, and Hearing Research, 2005
This study used neuroimaging and behavioral techniques to examine the claim that processing capacity limitations underlie specific language impairment (SLI). Functional magnetic resonance imaging (fMRI) was used to investigate verbal working memory in adolescents with SLI and normal language (NL) controls. The experimental task involved a modified…
Descriptors: Verbal Ability, Word Recognition, Memory, Language Processing
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Crosbie, Sharon L.; Howard, David; Dodd, Barbara J. – British Journal of Developmental Psychology, 2004
This study examined spoken-word recognition in children with specific language impairment (SLI) and normally developing children matched separately for age and receptive language ability. Accuracy and reaction times on an auditory lexical decision task were compared. Children with SLI were less accurate than both control groups. Two subgroups of…
Descriptors: Language Impairments, Word Recognition, Receptive Language, Language Aptitude
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Epstein, Jeffery N.; Conners, C. Keith; Hervey, Aaron S.; Tonev, Simon T.; Arnold, L. Eugene; Abikoff, Howard B.; Elliott, Glen; Greenhill, Laurence L.; Hechtman, Lily; Hoagwood, Kimberly; Hinshaw, Stephen P.; Hoza, Betsy; Jensen, Peter S.; March, John S.; Newcorn, Jeffrey H.; Pelham, William E.; Severe, Joanne B.; Swanson, James M.; Wells, Karen; Vitiello, Benedetto; Wigal, Timothy – Journal of Child Psychology and Psychiatry, 2006
Background: While studies have increasingly investigated deficits in reaction time (RT) and RT variability in children with attention deficit/hyperactivity disorder (ADHD), few studies have examined the effects of stimulant medication on these important neuropsychological outcome measures. Methods: 316 children who participated in the Multimodal…
Descriptors: Attention Deficit Hyperactivity Disorder, Stimulants, Reaction Time, Drug Therapy
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Dickey, Michael Walsh; Thompson, Cynthia K. – Brain and Language, 2004
This study examines the on-line processing of sentences with movement using an auditory anomaly detection task (after Boland, Tanenhaus, Garnsey, & Carlson, 1995). Eight agrammatic aphasic participants (four of whom had undergone treatment focused on comprehension and production of filler-gap sentences) and 24 young normal participants listened to…
Descriptors: Grammar, Aphasia, Neurolinguistics, Patients
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Weems, Scott A.; Reggia, James A. – Brain and Language, 2004
Two findings serve as the hallmark for hemispheric specialization during lateralized lexical decision. First is an overall word advantage, with words being recognized more quickly and accurately than non-words (the effect being stronger in response latency). Second, a right visual field advantage is observed for words, with little or no…
Descriptors: Word Recognition, Brain Hemisphere Functions, Models, Comparative Analysis
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Wible, Cynthia G.; Han, S. Duke; Spencer, Magdalena H.; Kubicki, Marek; Niznikiewicz, Margaret H.; Jolesz, Ferenc A.; McCarley, Robert W.; Nestor, Paul – Brain and Language, 2006
Semantic priming refers to a reduction in the reaction time to identify or make a judgment about a stimulus that has been immediately preceded by a semantically related word or picture and is thought to result from a partial overlap in the semantic associates of the two words. A semantic priming lexical decision task using spoken words was…
Descriptors: Semantics, Diagnostic Tests, Reaction Time, Brain Hemisphere Functions
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Borowsky, Ron; Besner, Derek – Psychological Review, 2006
D. C. Plaut and J. R. Booth presented a parallel distributed processing model that purports to simulate human lexical decision performance. This model (and D. C. Plaut, 1995) offers a single mechanism account of the pattern of factor effects on reaction time (RT) between semantic priming, word frequency, and stimulus quality without requiring a…
Descriptors: Semantics, Models, Word Recognition, Visual Learning
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Gupta, Ashum – Reading and Writing: An Interdisciplinary Journal, 2004
The current research is an examination of the nature of reading difficulties in dyslexic readers of Hindi. The reading performance of children with dyslexia was compared with that of reading-age (RA) and chronological-age (CA) matched controls on word and non word reading of items of different length. The results showed that the dyslexic children…
Descriptors: Reading Difficulties, Indo European Languages, Children, Dyslexia
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Pocklington, Barbara; Maybery, Murray – International Journal of Disability, Development & Education, 2006
A meta-analysis in the form of Brinley plots was conducted on the mean reaction times of Attention Deficit Hyperactivity Disorder (ADHD) and Control groups of children and adolescents on the Stroop Color and Word Test (SCWT). ADHD reaction times were regressed on Control group reaction times for 17 data sets (accessed from 13 published studies).…
Descriptors: Attention Deficit Disorders, Hyperactivity, Meta Analysis, Control Groups
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Calvo, Manuel G. – Learning & Individual Differences, 2005
Eye fixations were assessed during the reading of continuation sentences confirming inferences suggested by a preceding context sentence. In multiple regression analysis, individual differences in available prior vocabulary knowledge, working memory span, and speed of access to prior word knowledge served as predictors of eye fixations.…
Descriptors: Inferences, Memory, Individual Differences, Eye Movements
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