Is IQ a linear scale?
Is the difference in intelligence between a 100 IQ midwit and a 50 IQ brainlet exactly the same as the difference between a 150 IQ smartwit and a 100 IQ midwit?
Is the difference in intelligence between a 100 IQ midwit and a 50 IQ brainlet exactly the same as the difference between a 150 IQ smartwit and a 100 IQ midwit?
