Digital badges are the components demonstrating competency and knowledge of the learners. The use of digital badges used to reflect the skills of learners is becoming increasingly widespread in the teaching environments. In addition, these badges are starting to take their places among documents such as certificates and diplomas. In this study,…

Development of new scales from test items usually requires several hundred cases in each of the defined groups. Application of multivariate techniques to existing test scales also encounters such problems as multicolinearity, combining ipsative with normative measures and ordinal with equal interval scales, differential prediction, and…