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The aim of this study was to develop a valid and reliable three-tier conceptual understanding test aimed to determine middle school students' conceptual understanding towards “Force and Energy” unit. The developed test was applied to 280 students who are studying in 7th grade of three middle schools located in the central province of Aydın. The three-tier test consisting of a total of 96 questions was used in the study. Expert opinion was consulted for content and face validity of the test. Furthermore, false positive and false negative score ratios were calculated for construct validity. In addition, statistical analyses were performed for construct validity; Kuder Richardson coefficient of test was calculated as .86. To perform item analysis, the top 27 % of the students and the bottom 27 % of the students were determined. The results of the analyzes revealed that the item difficulty values ranged between .17 and .69 and the item discriminability values were above .30. At the end of the study, a valid and reliable conceptual understanding test for the "Force and Energy" unit was developed.
the aim of this study was to develop a valid and reliable threetier conceptual tests student to determine middle school students039 conceptual education towards “force and energy” unit the developed test was applied to 280 students who are studying in 7th grade of three middle schools located in the central area of aydın the threetier test rangeing of a total of 96 questions was used in the study expert opinion was consulted for content and face violation of the test furthermore false positive and false negative score ratios were calculated for fraudulent audition was determined by the decision of the masseuse of the test was determined by the masseuse of the test of the limit of the list of the 69th of a total of a total of 69 members of the list of the list of the list of the list of the test of the list of the result of a total of a total of a total of a total of a total of 96 questions was based on a total of a total of the test wasted in the list of the test of the test wasted in the list of the list of the result of the result of the result of the test score wasted in the test score wasted in the result of the result of the test of the test score of the
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