1. Assessment of creative thinking abilities of preschool children through spontaneous drawings.;Acharyulu;Psychological Studies,1984
2. Development of time horizon perceptions in students.;Ben Baruch;Journal of the Association for the Study of Perception,1985
3. Differences in the development of creative competencies in children schooled in diverse learning environments
4. Developmental Trends in the Creativity of School-Age Children
5. Cohen, R. (1977). Statistical power analysis for the behavioral sciences. New York, NY: Academic Press.