Summarising is a difficult skill but one that has, according to John Hattie, a high effect size (0.63). Other high impact literacy approaches associated with summarising also have similar high effect sizes (note-taking [0.59], organising and transforming notes [0.85], synthesising information across texts [0.63]). Therefore, the ability to summarise information is a worthwhile skill that has a significant impact on learning.
Teacher as teller is a short talk that provides the background information to the reading or viewing. It ensures that all students approach the reading or viewing with the necessary background information.
A great deal of vocabulary in subject specific texts is new and unfamiliar to students. Some words have been heard but not seen in writing, making it difficult for students to recognise and pronounce the word.