Attitudes, values and concerns are frequently measured to monitor individual preferences of adolescents. As there is still some discussion about how to monitor those variables with respect to empirical instruments, directions of items or length of instruments, we applied two established scales (2 Major Environmental Value Model [2-MEV] and…

A positive self-concept supposedly affects a student's well-being as well as his or her perception of individual competence at school. As computer-based learning is becoming increasingly important in school, a positive computer-related self-concept (CSC) might help to enhance cognitive achievement. Consequently, we focused on establishing a short,…