Grade 10 students misconceptions about circular motion

This study has been conducted to explore grade 10 students misconceptionsabout circular motion which is a subject included in secondary school physicscurriculum in Turkey. To do this the conceptual three tiers multiple choice test ofcircular motion was developed. The first tier of an item on the test presents anordinary multiple question, the second tier presents a set of reasons for responsegiven to the first tier and the third tier questions if examinees are confident for theirresponse to the first tiers. This conceptual test was given to 10?th graders in selectedanatolian high schools in the city of Ankara. Cronbach alpha reliability coefficient ofstudent scores was estimated as 0,75 but the reliability coefficent of studentmisconceptions scores was estimated as 0,53. The anaysis of data revealed that thestudents had conceptual difficulties about circular motion.