Perhaps because it turned the previously abstract and ungraspable concept of intelli-gence into a mass-produced test paper, and one which gave an easily calculated numerical result, the test seemed like a window into the mysterious depths of the mind itself. From this point on, intelligence testing grew by leaps and bounds.
或許因為這使得原本抽象、難以形容的聰明才智，可用大量生產的紙上測驗，及容易計算的具體分數來顯示，恰似打開一面可彰顯頭蓋骨裡奧秘的螢幕視窗，自此，智力測驗便大行其道。