26.To compare mean scores of anxiety of science, arts and commerce students of class XII the most appropriate statistical technique used for analyzing the data related to this objective will be

27.A student says ‘I must master problem solving skills in mathematics and become a great mathematician and to achieve this I am working hard’ the student has

28.’Epistemology’ is mainly concerned with

29.In the context of the role of heredity and environment in personality development, which of the following is true?

30.Advanced and enriched instructional materials, if developed and used in the schools, will help the