Jasna Horvat is an assistant professor at Faculty of Economics in Osijek. In 1997 she received the doctorate in economics. She is teaching statistics on the first study year and also teaching statistics supported with SPSS on postgraduate study "Entrepreneurship management". In 1998 she stared a project "Quality of measurement instruments" and established CATI (Computer Assisted Telephone Interviewing) center as a part of the project. Together with her colleagues and students she publishes scientifiecs papers.

Suzana Markovic, MSc is a Assistant of Statistics at the University of Rijeka, Faculty of Tourism and Hospitality Management Opatija.
Her research interests include Statistical Analysis, Multivariate Analysis, Service Quality and Customer Satisfaction Research in Tourism and Hospitality Industry.