Educational Research · 1961 · 11 citations · 5 references
BusinessComputer ScienceStatisticsFrequency AnalysisFrequency DistributionsHigh-frequency Data AnalysisStatistical AnalysisCount Data AnalysisFrequency CountersFrequency CountingFrequency CountsFrequency Measurement
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The teacher's word book of 30,000 words.
Paul A. Witty · Journal of Consulting Psychology · 1945 · 2.7K citations
A FORMULA FOR PREDICTING READABILITY
Edgar Dale, Jeanne S. Chall · 1948 · 757 citations