This research aimed to develop a valid and reliable test to be used to detect sixth grade students' misconceptions and errors regarding the subject of fractions. A misconception diagnostic test has been developed that includes the concept of fractions, different representations of fractions, ordering and comparing fractions, equivalence of…

Although accurate assessment of bullying is essential to intervention planning and the evaluation of bullying prevention programs, assessment has been called the "Achilles' heel" of bullying research (Cornell, Sheras, & Cole, 2006). Problems have been cited about variations in definitions and time frames used, whether or not to…