Public speakers want to give speeches that make their audience pay attention, but they also want to give speeches whose messages are meaningful enough to remain in audience member's minds. This can best be accomplished with:

The Praxis Elementary Education Content Knowledge Test (5018) is a timed, computer-administered test generally taken by individuals completing an undergraduate degree in elementary education.  Also known as the Praxis II Elementary Education Content Knowledge Test, this exam was developed by the Educational Testing Service to measure your knowledge, skills, and abilities in several different subject areas. It is broken down into four content sections: Reading and Language Arts, Mathematics, Social Studies, and Science.