RETRACTED: Model for evaluating the teaching effect of the college English public speaking course under the flipped classroom hybrid teaching mode with intuitionistic trapezoidal fuzzy numbers

Abstract

This article has been retracted, and the online PDF has been watermarked “RETRACTION”. The retraction notice is available at http://doi.org/10.3233/KES-210080.

Keywords

Multiple attribute decision making intuitionistic trapezoidal fuzzy numbers intuitionistic trapezoidal fuzzy Einstein weighted averaging (ITFEWA) operator intuitionistic trapezoidal fuzzy Einstein ordered weighted averaging (ITFEOWA) operator intuitionistic trapezoidal fuzzy Einstein hybrid aggregation (ITFEHA) operator teaching effect college English public speaking course