1960's - Criterion Referenced Testing (1 gen 1960 anni – 31 dic 1969 anni)
Descrizione:
This decade saw the emergence of Criterion-referenced testing. Until now testing was focused on the individual and not used as a comparison to the group.Aggiunto al nastro di tempo:
Data:
1 gen 1960 anni
31 dic 1969 anni
~ 10 years