Research has accumulated on the effects of teachers on student achievement, especially in mathematics. However, empirical evidence regarding the impact of formal teacher competence indicators presents a mixed picture. This study explores the influence of educational level, subject -- and grade-specific specialization, teaching experience, and…

One of the requirements of the twenty-first century is raising a child who is an explorer and who can solve problems rather than being able to memorize facts. One of the indispensible foundations of exploring and problem-solving is having scientific process skills and being able to use them effectively. In order to raise little scientists with a…