iq is real, and important

IQ is real, and important:

http://www.forbes.com/sites/modeledbehavior/2015/12/06/iq-matters-for-the-economy/#8c6d1c02045c

http://www.slate.com/articles/health_and_science/science/2014/04/what_do_sat_and_iq_tests_measure_general_intelligence_predicts_school_and.html