- In adulthood, men score about 2-4 IQ points higher than women. Selection bias might account for around 1-point of that.
- This gap may be said to not reflect underlying intelligence differences, but something specific about the tests. Yet that conclusion is based on complex methods that depend on assumptions made by the researcher and have questionable real world application. I'm not an expert in these methods, but I'm skeptical of them.
- All of this is despite the exclusion of spatial ability from IQ tests, where the male advantage is particularly large. There are some female favored traits excluded from IQ tests, but as far as I can tell none are as g loaded and therefore theoretically as likely to influence true g, to the extent we are comfortable thinking about the concept in this way.
- The debate about true g might matter to psychometricians, but there seems to be no reason it should to normal people using the common sense definition of "intelligence." Men are better at problem solving and know more things, so can be said to be more intelligent in the collective understanding of the term even if women are just as smart in some sense that doesn't predict performance in the real world.
The definition of "intelligence" does not come from nature. Scientists have constructed various tests designed to measure what people commonly mean when they use the term. The idea that intelligence exists in a meaningful sense comes from the finding that how well individuals do on all kinds of mental ability examinations are correlated with one another. Psychometricians therefore talk about the g factor, which is a mathematical construct that refers to the underlying ability to think abstractly and solve problems.
The most common intelligence test for adults is the Wechsler Adult Intelligence Scale (for those 6-16 years old, there is the Wechsler Intelligence Scale for Children (WISC)). It traditionally has had two main sections: Verbal and Performance, or non-verbal.
So in conclusion, yes.
Despite what many hereditarians believe, the idea that men and women are of equal intelligence appears unlikely to be true. That doesn't hurt my feelings, because I love truth, believe in liberty, think individuals should do whatever they want, and that society should be completely indifferent to disparate outcomes between groups. When arguing with social engineers, however, higher male IQ serves as one more thing to beat them over the head with.
Full story here
I know that the spacial ability part is true. I can look at a group of items and know exactly how to pack them. The same with a dishwasher. I get it in the dishes in the unit with a pattern that fits more and cleans better. I can look at a parking space and know to the inch how to get in. The females in my family can't park, brake too late and pack the dishwasher like a kindergartner, despite multiple tries at doing it.
In playing a trivia game with the question what trait did you inherit, the thing I got from my dad was spacial awareness. The rest of the family readily admitted that they don't have it and don't see how things fit in a coordinated manner.
It's why I see patterns in life also, like not taking the jab because the evidence of fraud were there all along and that the election was rigged, as was January 6th.
And Epstein didn't hang himself.
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