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The general factor of intelligence, or g factor, is a psychometric construct that summarizes the correlations observed between an individual's scores on various measures of cognitive abilities. First described in humans, the g factor has since been identified in a number of nonhuman species. [46]
A recent study has suggested that Dunbar's number is applicable to online social networks [13] and communication networks (mobile phone). [14] Participants of the European career-oriented online social network XING who have about 157 contacts reported the highest level of job offer success, which also supports Dunbar's number of about 150. [15]
[127] [128] These values are similar to the accepted variance in IQ explained by a similar single factor known as the general factor of intelligence in humans (40-50%). [129] However, results from a recent meta-analysis suggest that the average correlation between performance scores on various cognitive tasks is only 0.18. [ 130 ]
The first list shows number of neurons in their entire nervous system. ... Varies per species [30] Perdita (bee) 275,000 [29 ... Three-striped night monkey: 442,000,000
To determine the value of this factor, the brain and body weights of various mammals were plotted against each other, and the curve of such formula chosen as the best fit to that data. [22] The cephalization factor and the subsequent encephalization quotient was developed by H. J. Jerison in the late 1960s. [23]
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The g factor, or general factor, of intelligence is a psychometric construct that summarizes observed correlations between an individual’s scores on various measures of cognitive abilities. First described in humans, a g factor has since been identified in a number of non-human species. [1]
Isla McNabb became Mensa's youngest female member last year at just 2 years old. Her parents recently explained why they got her tested for the group.