Research ArticleOpen accessPhrase in the titleMODERATING ABILITY OF ITEM RESPONSE THEORY THROUGH PRIOR GUESSING PARAMETERSiow Hoo Leong, Siew Eng Ling, Rasidah MahdiA psycho-technology approach to discouraging guessing in multiple-choice formatted item can be done through reducing the a priori guessing probability of an item. This study proposes a psychometrics framework of Item Response Theory (IRT) to model the effect of having various priori guessing probabilities across different items. A prior guessing parameter is proposed to serves as a moderator of the … …Journal of Mathematics and Statistics, Vol. 9, Issue 4 · 26 Sep 2013 · 7,116 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Primer on the One-Parameter Rasch ModelRandy McCameyThe Rasch measurement model improves on traditional test construction by creating tests in which the person’s ability is independent of the sample of items used and the norm group used to calibrate the test. This article is an introductory review of the Rasch Model and describes properties of the Item Characteristic Curve (ICC) and discusses the utility of having person … …American Journal of Economics and Business Administration, Vol. 6, Issue 4 · 5 Jan 2015 · 6,762 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordIs Color Perception of Packages Affected by Their In-aisle Position?Daniele Porcheddu, Maura Pugliatti, Antonio PinnaThe retail environment is characterized by numerous competing stimuli vying for the consumer’s attention. Products packages feature both verbal and nonverbal elements. Nonverbal stimuli, like package colors, seem to be particularly relevant for perception. Knowing whether there is preferential positioning of colored items on the shelves is fundamental for retailers. In addition, some colors may be better perceived than others. … …American Journal of Economics and Business Administration, Vol. 4, Issue 2 · 20 Apr 2012 · 8,750 accessesView PDFCite