Sort of; even the non-verbal portions have different means across cultures, AND the neuropsychological abilities that predicted higher scores differed across cultures as well.
So what exactly an IQ test is measuring differs between cultures (though it certainly is measuring -something- since there are other correlations), since even the separately identifiable and measurable abilities that lead to someone doing well on an IQ test differ across cultures.
https://pubmed.ncbi.nlm.nih.gov/24055883/
So what exactly an IQ test is measuring differs between cultures (though it certainly is measuring -something- since there are other correlations), since even the separately identifiable and measurable abilities that lead to someone doing well on an IQ test differ across cultures.