Inwentarz źródeł stresu szkolnego młodzieży - opis konstrukcji i własności psychometryczne.
The paper presents the description of the structure and the psychometric properties of the Sources of School Stress Inventory. Psychometric properties of the scale were defined by assessing its reliability, validity and item discrimination power index. The testing covered 421 students. Research findings prove that the scale yields acceptable validity and reliability scores
More...