Comparison of Turfgrass Visual Quality Ratings with Ratings Determined Using a Handheld Optical Sensor

The quality of patients' ratings.

Motivational Ratings Motivational Ratings *

Rating systems not only provide information to users but also motivate the rated agent. This paper solves for the optimal (effort-maximizing) rating system within the standard career concerns framework. It is a mixture two-state rating system. That is, it is the sum of two Markov processes, with one that reflects the belief of the rater and the other the preferences of the rated agent. The rati...

Student Ratings of Instruction: True or False

Introduction. Students' evaluation of teaching is a major concern in higher education. In this regard, during the past 30 years hundreds of papers have been published which because of various grounds from valid, reliable to useless, such papers cannot be easily summarized. The present study investigated for two purposes, first was to out line opinions of two groups of advocates and opposites a...

Ratings Shopping and Asset Complexity: A Theory of Ratings Inflation

Many blame the recent financial market turmoil on ratings agencies. We develop an equilibrium model of the market for ratings and use it to examine popular arguments about the origins of and cures for ratings inflation. In the model, asset issuers can shop for ratings – observe multiple ratings and disclose only the most favorable – before auctioning their assets. When assets are simple, agenci...

Using Quality Ratings to Predict Modality Choice in Multimodal Systems

A standardized procedure to evaluate the perceived quality of multimodal systems is still lacking. Previous research has however shown that the quality ratings for a multimodal system are equal to the weighted sum of the quality ratings of its individual modalities, with the modality that is more frequently used having a stronger influence. These findings suggest, that if the choice of modality...