Showing 1 - 2 of 2 Research Library Publications

Outlier Detection Using t-test in Rasch IRT Equating under NEAT Design

Posted: | Chunyan Liu, Dan Jurich

Applied Psychological Measurement: Volume 47, issue 1, page(s) 34-47

 

This study used simulation to investigate the performance of the t-test method in detecting outliers and compared its performance with other outlier detection methods, including the logit difference method with 0.5 and 0.3 as the cutoff values and the robust z statistic with 2.7 as the cutoff value.

Category:Assessment-Oriented Research, Scoring

Location, Location, Location: When and How Low Price Locations Improve Consumer Price Perceptions

Posted: | Michael Barone, Keith S. Coulter, Katina Kulow, Xingbo (Bo) Li

Psychology & Marketing: Volume 39 - Issue 6 - Pages 1190-1203

 

Does seeing a price in a physically low (vs. high) location prompt consumers to believe that the featured product is less costly? This research further specifies when price location effects are likely to arise, increasing our understanding of pricing in general and this locational phenomenon in particular.

Category:Assessment-Oriented Research, Other