商业托福辅导：TOEIC for Education Providers-Quality standards
In 1979 Educational Testing Services (ETS) created TOEIC upon a request of the Japanese Ministry of International Trade and Industry (MITI).The requirements for the test were:
Professional
Reliable
Available
Reasonably priced
Easy to adminster
Easily understandably results
How is the high quality standard of the TOEIC being maintained?
$ 2 Million investment early
Each question is tested on a standard population of at least 50.000 candidates
Statistical analysis of the results
A mathematical tool to measure linguistic competence
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