After graduation, it is essential for teachers to continue working on their professional development since they need to be prepared for the requirements of tomorrow's knowledge- and technology-based society, a more varied student and pupil population creating new responsibilities, and higher social expectations from schools and the society as a…

A 24-item short form of the 96-item Developmental Behaviour Checklist was developed to provide a brief measure of Total Behaviour Problem Score for research purposes. The short form Developmental Behaviour Checklist (DBC-P24) was chosen for low bias and high precision from among 100 randomly selected item sets. The DBC-P24 was developed from…

The relationship between seriation tasks and number line comprehension tasks is reported. Types of tasks administered were six seriation tasks derived from Piaget, six seriation tasks provided with irrelevant cues, and number line comprehension tasks. Stochastic Mokken scale analysis indicated selection of six original seriation tasks formed a…

The use of restrictive factor analysis (RFA) is illustrated with data from the field of educational research. An attitude scale measuring the degree to which students feel they are accepted by their classmates is constructed in accordance with the Theory of Violators. The main idea of the Theory of Violators is that most problems associated with…