Introduction: Social skills are acquired primarily through imitation using the visual system. As a result, people with visual impairments may experience difficulties in this area at any age, which can have a major effect on their social participation and on their quality of life. The objective of this study was to systematically review the effects…

Chemical bonding is an important topic which is difficult to teach well, especially for novices. This study set out to support preservice teacher educators by developing a framework for understanding and addressing the complexity of teaching chemical bonding. A model of pedagogical content knowledge (PCK) in science education that has been widely…