"The reading and writing and language portions of the redesigned SAT account for a significant part of your exam score, so it’s important that you are prepared for all the questions you will encounter. One type of question you’ll find on both sections are command of evidence questions.
This type of question requires you to closely examine – and, in some instances, improve – the evidence that is used in particular passages. Although it is a great idea to always base your answers on evidence, command of evidence items mandate it.
Fortunately, you can sometimes easily identify these questions by their use of the word “evidence.” For instance, Question 17 in the Practice Test 1 reading section asks you to identify the specific passage that best supports your answer to Question 16. Question 20, in the same practice exam, also includes the word “evidence.” You may also be asked to find answer choices that “support” or “best support” a given excerpt or idea.
As you practice answering this question type, ask yourself these four questions. Each question prompts you to critically consider what you read, which can help you develop key skills for command of evidence questions." …