<prompt> Translate the following text to EnglishKwa mujibu wa utafiti huo, IQ ya juu ni dalili ya mafanikio ya kiuchumi kuliko sababu nyingine yoyote, na IQ ya chini ni dalili ya umaskini na uharibifu wa kijamii.  <response>: The authors claim to demonstrate that high IQ is more predictive of economic success than any other factor, and that low IQ is more predictive of poverty and social breakdown. 