摘要：The purpose of this study is to assess the elementary school (7th class) students’ errors
concerning the pressure and determine the relationships among these errors. The data was obtained from a
test covering all subjects of the pressure unit. This eight-item test was prepared based on the literature. In the
data analysis, frequencies and percentage distribution of the errors were determined and relationships among
the types of errors were also investigated using hierarchical clustering. The result of the study revealed that
the students have conceptual and procedural errors the most. Results also indicate that conceptual errors in
different subjects of the pressure unit constitute error categories among themselves, but procedural errors
distributed among this conceptual error categories. On the other hand, errors concerning the formulas don’t
constitute a relationship with the other error categories maintain a different one.
关键词：Science Education, Pressure, Problem Solving, Error Categories
