This pyramid shows the effectiveness of certain teaching methods and student retention. Lecture at the lowest, 5 percent retention and teaching others as the highest with 90%. No more lecturing students, they are only holding onto 5% of the lessons you teach! Include more student led instruction where students learn on their own and allow students to teach other students.
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Why are we taught in school then that milk is good for us? well the big companies that are package and provide the milk are the ones paying the government and telling them what we should teach our children. This is so wrong, children and adults should only ever drink the breast milk of their OWN mother and once they're mature they should stop drinking it. So why do we think it's okay to drink the milk from a DIFFERENT SPECIES MOTHER? The only reason a cow produces milk is for her baby calf.