In the first of two experiments, we demonstrate the spread of a novel form of tool use across 20 "cultural generations" of child-to-child transmission. An experimentally seeded technique spread with 100% fidelity along twice as many "generations" as has been investigated in recent exploratory "diffusion" experiments of this type. This contrasted…

Explaining new ideas to oneself can promote learning and transfer, but questions remain about how to maximize the pedagogical value of self-explanations. This study investigated how type of instruction affected self-explanation quality and subsequent learning outcomes for second- through fifth-grade children learning to solve mathematical…

The goal of this study was to examine incidental and intentional spatial sequence learning during middle childhood and adolescence. We tested four age groups (8-10 years, 11-13 years, 14-17 years, and young adults [18+ years]) on a serial reaction time task and used manual and oculomotor measures to examine incidental sequence learning.…

Investigated the specificity of reading-disabled children's deficits in working memory capacity. Found that reading-disabled 10-year-olds performed worse than normal-reading children, matched for chronological age and reading age, on all measures of working memory capacity. Their poorer performance seemed to be due to a general lack of capacity…

Skilled and unskilled readers from grades 3, 5, and 7 performed one of three memory tasks on a randomized list of primary word associates. Examined reading skill differences in relation to memory skills. (BD)

Second-grade children were explicitly supplied with zero, one, two, or three components of information to specify the respective contributions of various sources and amounts of acquired strategy-utility information. Metacognitive knowledge was evidenced only when the training regiment included the complete set of critical metacognitive components.…

Investigated 7-month olds' ability to relate vowel sounds with objects when intersensory redundancy was present versus absent. Found that infants detected a mismatch in the vowel-object pairs in the moving-synchronous condition but not in the still or moving-asynchronous condition, demonstrating that temporal synchrony between vocalizations and…

Two experiments found that German-speaking dyslexic 9-year-olds showed impaired learning of pseudonames in several visual-verbal learning tasks, even when phonological retrieval cues were provided and when pseudonames were presented in spoken and printed form. There was no deficit when short, familiar words were used, and no difficulty in…

Two experiments assessed visuomotor sequence learning in 4- to 10-year-olds using a serial reaction time (SRT) task with random and sequenced trials. Found that children demonstrated sequence-specific decreases in RT. Participants with explicit awareness of the sequence at the session's end showed larger sequence-specific RT decrements than…

Investigates the extent to which learning disabled readers' atypical encoding relates to their deficiencies in semantic memory by comparing learning disabled and nondisabled readers in two age groups on dichotic listening tasks that included orienting and nonorienting instructions. (HOD)

Cognitive abilities that predicted growth in response to a 12-week training program in phonological awareness were investigated in 100 kindergarten children. Findings suggested that growth in analytic awareness was predicted by invented spelling and general verbal ability, while growth in synthetic awareness was predicted by a combination of…

Investigated verbal and nonverbal paired associate learning among 8- to 11-year-old Dutch dyslexic children and chronological-age and reading-age controls. Found that dyslexic children had difficulty with verbal learning of words and nonwords. Phonological and general learning errors were distributed similarly for the reading groups. Found no…

Two studies compared children's knowledge about the letters in their name with knowledge of other letters. Findings indicated that Australian first graders and U.S. kindergartners and preschoolers had superior knowledge of letter-name, but not letter-sound, for first letter of their first name. Also, U.S. preschoolers were better at printing the…