TOEIC & TOEFL Vocabulary Secrets Revealed
۱) What is “Coverage?”
۲) Corpus Analysis – TOEIC and TOEFL
۳) Secrets of TOEIC and TOEFL vocabulary
۴) How and why ETS uses esoteric vocabulary
۵) How graded readers can best support TOEIC and TOEFL score increases
TOEIC and TOEFL are Item Response Theory Proficiency Tests – not English ability diagnostic tests. These tests are not designed to provide meaningful advice for improving English ability. Students are scored based on their correct responses to questions having known difficulty metrics. The difficulty metrics are established through statistical analysis of all prior uses of each question.
Without a full range of questions from easy to difficult, Education Testing Service “ETS,” would be unable to maintain its bell-curve and generate ‘reliable’ scores.
It is impossible to write statistically difficult questions. Only field testing can identify the difficulty of questions.
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