When developing a concept in class, I think all teachers realize the importance of taking into account the attention span of their students. One report I read felt that most college students can maintain a good 30-minute attention span, whereas seventh grade students can only average a period of four to five minutes of concentration on a speaker.
Iowa Science Teachers' Journal
© Copyright 1971 by the Iowa Academy of Science
Sweedy, Peter H.
"Count Rumford: Designer of Clothes,"
Iowa Science Teachers Journal: Vol. 9
, Article 9.
Available at: https://scholarworks.uni.edu/istj/vol9/iss1/9