How to pronounce “alpha test” in English

the SAT used to be called the standardized aptitude test, and it was actually a derivative of the IQ test, which came about in the early 1900s, around 1906.And the IQ test then was the basis for the Army Alpha test used in World War I.So we went from measuring mental retardation with the IQ test to measuring soldiers for fitness in World War I, to then the same general group of psychometricians