The rapid onset of the COVID-19 pandemic, also known as the SARS-CoV-2 outbreak, has brought to light how important technology may be to the socio-economic development of a nation, particularly in Africa. The study conducted a narrative review of pertinent literature to objectively assess the effects of two types of emerging digital technologies…

Describes a conceptual typology of models to help teachers select models appropriate to the cognitive ability of their students. Presents an example of how the systematic presentation of analogical models enhanced an 11th-grade chemistry student's understanding of atoms and molecules. Makes recommendations for teachers. Contains 28 references.…