IQ

General intelligence, also known as the G factor, indicates the presence of a broad mental capacity that affects performance on measures of cognitive ability. Charles Spearman first described the existence of general intelligence in 1904. According to Spearman, this g factor was responsible for overall performance in mental aptitude tests.

Adults can increase their IQ during their lifetime, but increasing general intelligence can be even more valuable. You can find the specific applications you need to do in this article. The mass media is full of news about how to raise a child’s IQ. Teaching music lessons, feeding fish or

Studies on the heritability of IQ express the ratio of IQ variance between individuals in a study population related to the genetic variable in the population, from the similarity of IQ in closely related persons. As environmental factors can correlate with genetic factors, it provides a maximum estimate of genetic