This research aimed to investigate the extent to which the interactive international curriculum is included in the "Child's Scientific Activities" issued by the Ministry of Education in Jordan, for the kindergarten stage according to the global criterion (NRC). In order to answer the study questions, an instrument was developed to…

The Trends in International Mathematics and Science Study (TIMSS) is a comparative assessment of the achievement of students in many countries. In the present study, a rigorous independent evaluation was conducted of a representative sample of TIMSS science test items because item quality influences the validity of the scores used to inform…

This article describes the rationale for, and development of, an online instrument that helps identify commonly held science misconceptions. Science Beliefs is a 47-item instrument that targets topics in chemistry, physics, biology, earth science, and astronomy. It utilizes a true or false, along with a written-explanation, format. The true or…

Several examples illustrate the human tendency to underestimate the degree of uncertainty present in any theory about the nature of the world. The fallibility of conclusions must always be recognized by the researcher, who must continually challenge assumptions and rethink beliefs. (SLD)