Most recruiters will provide you with an ASVAB training guide or point you in the right direction. There is even an online tutorial for ASVAB that will help you maximize your study time.
Regardless of how you study, browse this website for the best way to take the ASVAB test is to do your best. If you are overly stressed, a simple anxiety test can give you a lower than normal score. As long as you read the ASVAB training guide and put in a little effort to learn, you will be sure to get decent results.
Remember, you don't have to take a test. When asked what to learn about ASVAB, the answer will be general because the questions cover a wide range of topics. Check each of the topics included in the test as often as you can and you will do well.
Regardless of the genre, you're reading in, reading can help improve your score in several ways. While ASVAB is designed to test you on many of the subjects you studied in high school, exams are taken in a reading format, which means you have to read the questions and read the sections.
If you do this as you keep reading, you can improve your vocabulary and understand the written material better as it will be presented to you in any format. The better you read and understand the information, the more likely it is that you will get a good exam result.