Answer:
general "g" intelligence factor
Explanation:
Charles Edward Spearman born on September 10, 1863, was an English psychologist known for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient. According to my research on Spearman's work, I can say that based on the information provided within the question it is most likely one general "g" intelligence factor likely underlying these abilities. This refers to the existence of a wide mental capacity that influences performance on all cognitive abilities.
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Answer:
a) sensitivity analysis
Explanation:
Sensitivity analysis seeks to determine the effect of a variation of a particular item on its total value. That is, in the sensitivity analysis, several different variables are tested to understand the effect that each produces at the end of the process.