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Robustness of Lord’s Formulas for Item Difficulty and Discrimination Conversions Between Classical and Item Response Theory Models
Lord’s Formulas Item Difficulty Discrimination Conversions Between Classical Item Response Theory Models
2015/6/30
Lord (1980) proposed formulas that provide direct relationships between IRT discrimination and difficulty parameters and conventional item statistics. The purpose of the present study was to determine...
Lord Coe to open Sir Roger Bannister running track at Oxford University
Olympic Games Paralympic Games
2007/5/11
8 May 2007，Lord Coe, Chairman of the London Organising Committee of the Olympic Games and Paralympic Games, is to open a newly refurbished running track at Oxford University’s Iffley Road sports compl...