Robust Preference Measurement A Simulation Study of Erroneous and Ambiguous Judgement's Impact on AHP and Conjoint Analysis

A method of treating arrhythmia in mammals which comprises administering 8-chloro- or 8-bromo-3-( beta -diethylaminoethyl)-4-methyl-7-ethoxycarbonylmethoxycoumarin (or a pharmaceutically acceptable salt thereof) thereto. When formulated in conventional pharmaceutical preparations, the active ingredient may be administered orally or endovenously.