This is a study that explored 117 Turkish preservice science teachers' views about evolution course. The data for the study were collected through a questionnaire that has open-ended questions. The preservice science teachers answered the questions by filling out the questionnaire at the beginning and end of the evolution course. Most of the…

A "threshold concept" is a challenging concept that acts as a doorway leading to deeper understanding and a dramatic shift in perception. A learner that is involved in grasping a threshold concept is said to be undergoing a threshold experience within a "liminal space" or learning environment. We used the blog as a liminal…

This paper reports on an investigation of two inter-related but different matters, one of interest to science education researchers and teachers in general, and the other to those teaching about evolution. The first was motivated by the dilemma facing teachers who want to diagnose learners' prior knowledge before teaching and are concerned about…