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von Stumm, Sophie – Intelligence, 2012
The current study tests if the type of children's daily main meal (slow versus fast food) mediates the association of socioeconomic status (SES) with cognitive ability and cognitive growth in childhood. A Scottish birth cohort (Growing Up in Scotland) was assessed at ages 3 (N = 4512) and 5 years (N = 3833) on cognitive ability (i.e. vocabulary…
Descriptors: Cognitive Ability, Food, Foreign Countries, Effect Size
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Theodore, Reremoana F.; Thompson, John M. D.; Waldie, Karen E.; Wall, Clare; Becroft, David M. O.; Robinson, Elizabeth; Wild, Chris J.; Clark, Philippa M.; Mitchell, Ed A. – Intelligence, 2009
The association between intelligence and diet at 3.5 and 7 years was examined in 591 children of European descent. Approximately half of the children were born small-for-gestational age (birth weight @?10th percentile). The relationship between IQ and diet (measured by food frequency) was investigated using multiple regression analyses. Eating…
Descriptors: Body Weight, Intelligence Quotient, Dietetics, Eating Habits
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Keith, Timothy Z.; Reynolds, Matthew R.; Patel, Puja G.; Ridley, Kristen P. – Intelligence, 2008
Sex differences in the latent general and broad cognitive abilities underlying the Woodcock-Johnson Tests of Cognitive Abilities were investigated for children, youth, and adults ages 6 through 59. A developmental, multiple indicator-multiple cause, structural equation model was used to investigate sex differences in latent cognitive abilities as…
Descriptors: Females, Males, Cognitive Ability, Structural Equation Models
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Cohen, Ronald L.; Griffiths, Karen – Intelligence, 1987
To study age-related improvements in information processing, a release from proactive interference (PI) procedure was used with 144 children in conjunction with a running memory task. For class of item and acoustic similarity, evidence was found for PI release with age, but there was no evidence of a relationship between short-term memory (STM)…
Descriptors: Age Differences, Children, Cognitive Development, Cognitive Processes
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Preece, Peter F. W.; Read, Kenneth L. Q. – Intelligence, 1996
Based on the construct of classical IQ, a model of the proportions of the population at various stages of cognitive development as a function of age is proposed. The model compares well with other theoretical models and provides evidence of the salience of the construct of general cognitive capacity. (SLD)
Descriptors: Ability, Age Differences, Child Development, Cognitive Development
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Brown, Ann L.; Campoine, Joseph C. – Intelligence, 1977
Available from: Ablex Publishing Corporation, 355 Chestnut Street, Norwood, New Jersey 07648. Two groups (high and low functioning) of educable mentally handicapped children consisting of 70 Ss' average age 127 months' were tested for strategies in their approach to memory and problem solving tasks and for their responsiveness to strategy…
Descriptors: Age Differences, Cognitive Development, Elementary Education, Exceptional Child Research
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Humphreys, Lloyd G.; Parsons, Charles K. – Intelligence, 1979
A reanalysis of Stephens' intercorrelations of Wechsler subtests, achievement tests, and Piagetian tasks was conducted. (EJ 055 112) Piagetian tasks contributed almost equally to the definition of the general factor in intelligence along with the Wechsler subtests and the achievement tests. Communality outweighed differences between intelligence…
Descriptors: Achievement Tests, Age Differences, Cognitive Development, Cognitive Tests
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Carver, Ronald P. – Intelligence, 1990
The degree to which reading ability and intelligence, as measured by the Raven Progressive Matrices Test, were related was studied for 486 students in grades 2 through 12 in a small town, rural school system. Results indicate the strong and consistent relationship between general intelligence and reading ability. (SLD)
Descriptors: Age Differences, Cognitive Development, Correlation, Elementary School Students