Evaluation of student written work during summative assessments is an important and critical task for instructors at all educational levels. Nevertheless, few research studies exist that provide insights into how different instructors approach this task. Chemistry faculty (FIs) and graduate student instructors (GSIs) regularly engage in 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…