Standardized Tests for College Admissions

The two most popular standardized tests used for admission to college are the SAT and the ACT (though there are others). What is the difference between the SAT and ACT? What does "test optional" mean in college admissions? When should a high school student take the SAT, ACT, or both? With his typical descriptive stories and anecdotes, Dr. Riley (from collegeapp101.com) addresses these and other questions in today's episode.