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Those who do better on childhood intelligence tests tend to have a lower drop out rate, and complete more years of school and are predictive of school success. [4] For instance, one of the largest ever studies found a correlation of 0.81 between the general intelligence or g-factor and GCSE results. [13]
Vernon's model about intelligence looks similar to the fluid-crystallized (Gf-Gc) intelligence theory because they both agree with g factor and have two more different dimensions on intelligence structure. In fact, Gf-Gc model has more broad factors such as special visualization (Gv), retrieval (Gr) or speed factor (Gs).
The factors at the top were more general abilities that affected a wide range of intelligent behaviors while those factors at the bottom involved specific skills for an act. [5] Vernon extended intelligence theory by adding the importance of the test which he called Intelligence C. [ 2 ]
Health effects on intelligence have been described as being among the most important factors in the origins of human group differences in IQ test scores and other measures of cognitive ability. [1] Several factors can lead to significant cognitive impairment, particularly if they occur during pregnancy and childhood when the brain is growing ...
Intelligence quotient (IQ) tests do correlate with one another and that the view that the general intelligence factor (g) is a statistical artifact is a minority one. IQ scores are fairly stable during development in the sense that while a child's reasoning ability increases, the child's relative ranking in comparison to that of other ...
In general, intelligence is thought to be attributed to both genetic and environmental factors, but the extent to which each plays a key role is highly disputed. Studies of identical and non-identical twins raised separately and together show a strong correlation between child IQ and socio-economic level of the parents.
Joseph McVicker Hunt (March 19, 1906 – January 9, 1991) was a prominent American educational psychologist and author. He promoted and researched concepts related to the malleable nature of child intelligence (also promulgated by Benjamin Bloom).
Reduced duration of sleep, as well as an increase in time spent awake, are factors that highly contribute to the risk of traffic collisions, the severity and fatality rates of which are on the same level as driving under the influence of alcohol, [53] [54] with 19 hours of wakefulness corresponding to a BAC of 0.05%, and 24 hours of wakefulness ...