“…[TK3: H3] Diagnostic assessment is highly emphasised in the lower secondary education system in South Korea. 70.6%, 58.8%, 58.8%, 60.8%, 56.9%, 62.7%, 60.8%, 62.7%, 52.9% and 64.7% of the South Korean respondents answered "often" or "always" for Items 1,2,3,5,6,7,8,9,10 and 11. According to [43], diagnostic assessment in South Korea mostly occurs at the start of a mathematics class, which usually takes five to eight minutes.…”