, Handbook of reading research, Volume II (pp. 911 - 950). (ciera.org)
Set aside 1 - 3 hrs for viewing content each week, plus 10 - 20 min for reading research studies and time to practice and apply everything new you're learning. (coreexercisesolutions.com)
So I'm going to recommend that you actually read some research on the topic. (religion.blogs.cnn.com)