... conclusion that the same peoplewho performed well in a variety of mental tasks tended to use a part of the brain that he termed g.Theg factor, therefore, laid the foundation for the concept of a single ... faulty?12431243Fig. 1 Fig. 2 The Complete Book of Intelligence Tests20K:/Books/1387jw/0470017732/ch01/text_s/c01.3dnow another school of thought which believes there are many moredifferent types of intelligences, ... age of 18 little or no improvement in a person’sIQ rating is found, the method of calculating the IQ of a child isdifferent to the method used for an adult.When measuring the IQ of a child, the...