An experiment was tried in 1919 , where a method of standardization of testing was done . An experiment was tried in 1919 , where a standardization method of testing was done .
Satu eksperimen telah dicuba pada tahun 1919, di mana kaedah standardisasi ujian telah dilakukan. Satu eksperimen telah dicuba pada tahun 1919, di mana kaedah standardisasi ujian telah dilakukan.