The 80-odd years from19th century to 1930s of this century is the first period of educational evaluation-"psychological test period".
The 1930s and 1950s are the second period of educational measurement ── "target-centered period".
The 1960s was the third period of educational measurement ── the standard development period (1950s-1970s).
After 1970s, educational evaluation developed into the fourth period-"the period of results recognition".