Your performance was marked according to some agreed scheme which gave the result in terms of reading age – in years & months. This was divided by your proper, chronological age, to give one measure of IQ. The result was always reported to your parents.
There must have been plenty of scope for argument about the reliability, precision, accuracy, reproducibility & generalisability from the research samples on which the tests were based. But at least they showed awareness of the ‘summer baby’ problem
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