The aim of this study is to explore the influence two types e-WOM, out-of-group (influencer marketing and customer review) in-group (reference group). This uses a quantitative approach. Data were obtained from 176 respondents who are familiar active in online shopping Indonesia. results found that both source e-WOM have positive significant on purchasing decisions. review variable has highest R...

OBJECTIVES This paper aims to study whether the application of a Group Decision Support System to medical collective decision committees is possible and to determine which GDSS specifications are convenient. BACKGROUND We introduce the common knowledge about GDSS and define the process of the collective medical decision. METHODS An experimental GDSS has been tested in an actual medical coll...

Sometimes, an individual may have vague information about the preference degree between two alternatives and can not estimate his preferences with an exact numerical value. Then, a possible approach is to use linguistic assessments instead of numerical values, that is, to suppose that the preference relations are assessed by means of linguistic terms. A scale of certainty expressions, linguisti...