Intelligence & IQ Defined A good cognitive science definition of general intelligence is: “. . . that facet of mind underlying our capacity to think, to solve novel problems, to reason and to have knowledge of the world.” M. Anderson This op-ed statement signed by fifty-two researchers in the field (ref) extends this idea to include learning and being ‘switched on’: “A very general mental capability that, among other things, involves the ability to reason, plan, solve problems, think
