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You Need to Know: There Is a Causal Relationship between Structural Knowledge and Control Performance in Complex Problem Solving Tasks
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Goode, Natassia; Beckmann, Jens F. – Intelligence, 2010
This study investigates the relationships between structural knowledge, control performance and fluid intelligence in a complex problem solving (CPS) task. 75 participants received either complete, partial or no information regarding the underlying structure of a complex problem solving task, and controlled the task to reach specific goals.…
Descriptors: Intelligence, Problem Solving, Thinking Skills, Knowledge Level
Intelligence, Working Memory, and Multitasking Performance
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Colom, Roberto; Martinez-Molina, Agustin; Shih, Pei Chun; Santacreu, Jose – Intelligence, 2010
Multitasking performance is relevant in everyday life and job analyses highlight the influence of multitasking over several diverse occupations. Intelligence is the best single predictor of overall job performance and it is also related to individual differences in multitasking. However, it has been shown that working memory capacity (WMC) is…
Descriptors: Intelligence, Personnel Selection, Job Performance, Short Term Memory
Intelligence and the Differentiation Hypothesis.
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Deary, Ian J.; And Others – Intelligence, 1996
The differentiation hypothesis suggests that the degree to which general intelligence ("g") pervades performance on mental tests is greater at lower ability levels. Analysis of data from Differential Aptitude Test results for over 10,500 Irish school children ages 14 to 17 years supports the differentiation hypothesis. (SLD)
Descriptors: Ability, Aptitude Tests, Foreign Countries, Intelligence
Do Individual Differences in Speed Reflect "Global" or "Local" Differences in Mental Abilities?
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Rabbitt, Patrick – Intelligence, 1996
A new analysis of data from 15 cognitive tasks completed by 93 subjects with scores on the Cattell Culture Fair test show that differences in Cattell score systematically affected performance on some tasks more than on others. Implications for theories of local and global differences in mental ability are discussed. (SLD)
Descriptors: Cognitive Ability, Cognitive Tests, Global Approach, Individual Differences
Symbol-Digit Substitution and Individual Differences in Visual Search Ability
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Gilmore, Grover C.; Royer, Fred L.; Gruhn, Joseph J.; Esson, Michael J. – Intelligence, 2004
Substitution tests have a long history in psychology because of their simplicity of administration and their sensitivity to individual differences related to complex cognitive performance. Despite their widespread use there is no agreement on what the substitution test measures. The present study approached this question by applying a method of…
Descriptors: Individual Differences, Symbols (Mathematics), Visual Stimuli, Coding