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Coren's book presents a ranked list of breed intelligence, based on a survey of 208 dog obedience judges across North America. [10] When it was first published there was much media attention and commentary in terms of both pros [11] and cons. [12] Over the years, Coren's ranking of breeds and methodology have come to be accepted as a valid description of the differences among dog breeds in ...
Dog intelligence or dog cognition is the process in dogs of acquiring ... This would give dogs the word processing capability equivalent to the average 14-month human ...
Raccoon dog: 1.16 × 10 ^ 9 [54] Tanimbar corella ... Average number of sensory-associative structure neurons [a] Intraspecific variation [b] Method [c] Sensory ...
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[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]
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
Brain size is known to differ between men and women, for example (men on average have larger bodies than women), but without well documented differences in IQ. [46] A 2017 study found that the brains of women have a higher density of grey matter , which could compensate for the loss of volume.
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