In some quality control applications, the quality of a process or a product is described by the relationship between a response variable and one or more explanatory variables, called a profile. Moreover, in most practical applications, the qualitative characteristic of a product/service is vague, uncertain and linguistic and cannot be precisely stated. The purpose of this paper is to propose a ...

Our aim is to maximize expected profit per item of a multi-stage production system by determining best adjustment points of the equipments used based on technical product specifications defined by designer. In this system, the quality characteristics of items produced should be within lower and higher tolerance limits. When a quality characteristic of an item either falls beneath the lower li...

Customers have different emotions towards service industries of different natures, leading to inconsistent service quality characteristic items and levels of demands. Different emotions would affect customer perceptions of the customization degree of a hospital (the emotion is relatively sad) and a theme park (the emotion is relatively joyful); while different service quality characteristic-rel...

Four studies investigated the reliability and validity of thin slices of nonverbal behavior from social interactions including (a) how well individual slices of a given behavior predict other slices in the same interaction; (b) how well a slice of a given behavior represents the entirety of that behavior within an interaction; (c) how long a slice is necessary to sufficiently represent the enti...

Wisdom is a field of growing interest both inside and outside academic psychology, and researchers are increasingly interested in using measures of wisdom in their work. However, wisdom is a highly complex construct, and its various operationalizations are based on quite different definitions. Which measure a researcher chooses for a particular research project may have a strong influence on th...

INTRODUCTION The incidence and prevalence of mental problems among older people are difficult to map because the causes are often complex and the symptoms manifest in a range of ways. Therefore, there is a need for robust and useful instruments for screening mental problems in this group. One instrument used in Norway and around the world is the 30-item version of the General Health Questionnai...

Recent surveys on e-commerce sites confirm the increased use of the Web for shopping. The reasons of these trends have been attributed to different factors such as convenience, saving time, absence of sales pressure, among others. However, an essential site characteristic that should also be taken into account is the quality in use. In this paper, we present a case study on five ebookstores in ...

This paper develops an impure public good model to analyze the comparative statics of environmentally friendly consumption. ‘‘Green’’ products are treated as impure public goods that arise through joint production of a private characteristic and an environmental public characteristic. The model is distinct from existing impure public good models because of the way it considers the availability ...