Even though the concept of species is central in biology, the history of species concept and the existence of different species concepts are rarely discussed in biology classroom. This is unfortunate, as teachers could use the plurality of species concepts to enrich discussion in the classroom. Therefore, knowing the students' perception of…

Metacognitive ability is enormously important for improving students' learning performance. However, overconfidence bias may hinder students' metacognition abilities. Therefore, in this study, we conducted an intervention to reduce or debias overconfidence among students using the KAAR (knowledge, awareness, action, and reflection) model. Ninety…