The categorizations of students’ into the Table 2 were decided by a panel of three experts, all of whom are experienced science and science education. These qualitative responses and their categorization were subsequently validated by the same panel. Any disagreements were resolved by discussions and the categorizations presented here represent consensual agreement of the panel. Differences in pre-and postintervention evaluation scores were investigated by conventional statistical means using paired t-test and a Windows version of Statistical Package for the Social Sciences (SPSS), and thematic analysis of reasons as described above. In addition, students’ responses were analyzed qualitatively. In this analysis, it was taken into consideration the changes in students’ responses from pre-test to post-test.