The AFQT has been used in non-military settings as a proxy measure of intelligence, for example, in Herrnstein & Murray's book The Bell Curve. Because of the test's significance both inside and outside military settings, it is important to examine what the test measures, i.e. to evaluate the construct validity of the AFQT. Kaufman's 2010 review stated that David Marks (2010) scanned the literature for datasets containing test estimates for populations or groups taking both the AFQT and tests of literacy. One study on nine groups of soldiers differing in job and reading ability found a correlation of .96 between the AFQT and reading achievement (Sticht, Caylor, Kern, & Fox, 1972). Another study showed significant improvements among Black and Hispanic populations in their AFQT scores between 1980 and 1992 while Whites only showed a slight decrement (Kilburn, Hanser, & Klerman, 1998). Another study obtained reading scores for 17-year olds for those same ethnic groups and dates (Campbell et al., 2000) and found a correlation of .997 between reading scores and AFQT scores. This nearly perfect correlation was based on six pairs of data points from six independent population samples evaluated by two separate groups of investigators. According to Marks, "On the basis of the studies summarized here, there can be little doubt that the Armed Forces Qualifications Test is a measure of literacy." However, it is important to note that AFQT has been shown to correlate more highly with classic IQ tests than they do with one another, and that the "crystallized" intelligence measured by AFQT is measured very similarly by Wechsler, in particular.[8]
Nobody wants to be stuck doing something they don’t like. That’s why we urge you to take advantage of our free practice tests and study guides.  Our ASVAB practice tests are formatted exactly like the real ASVAB test and will not only help ensure you have the knowledge to ace the real exam but will also prepare for the actual experience of sitting for the test.
The CAT-ASVAB is a multiple choice computer test consisting of ten subtests totaling 145 questions with an allotted time of 153 minutes, approximately 2.5 hours. The test will be adaptive meaning each question will be adapted to the skill level of the examinee based on their previous answers. The overwhelming majority of those, currently in the military, took the CAT-ASVAB. The table below provides a breakdown for the CAT-ASVAB:

Light is transmitted via waves of different wavelength and frequency (perceived as color). Light is refracted when it passes from one medium into another and different wavelengths of light bend at different angles.  When light is reflected from a surface the angle at which light strikes the surface is always equal to the angle at which it is reflected.
Mechanical Comprehension. Items contained within this section include topics that would typically be found in an introductory high school physics course and the application of these topics within a variety of situations. The questions in this portion of the test gauge examinees’ knowledge of principles related to gases and liquids, and their understanding of the ways in which these properties affect pressure, volume, and velocity. This subtest also includes questions that relate to the components and performance of mechanical devices.
A whopping 91% of the reviewers of this ASVAB study guide on Amazon gave it five stars. The other 9%? Four stars. If you can’t trust Amazon reviewers, who can you trust? The beauty of this simply titled study guide is in the depth of explanations in how the answers are derived, particularly in the mathematics sections where the authors go to great lengths to illustrate the more complex questions.
Take timed tests. Letting time get away from you is a sure fire way to get yourself into trouble. Timed sample tests like the ones on this site can get you used to dealing with the allowed timing for each section so you can learn to maintain a pace that will get you through each section. If you’re taking the paper version of the test, feel free to skip a question if it’s got you stumped, but be sure to come back to complete it. The computerized test doesn’t give you an option to skip questions, so have a strategy in place for questions you can’t solve relatively quickly.
Your success on ASVAB test day depends not only on how many hours you put into preparing, but also on whether you prepared the right way. It’s good to check along the way to see whether your studying is paying off. One of the most effective ways to do this is by taking ASVAB practice tests to evaluate your progress. Practice tests are useful because they show exactly where you need to improve. Every time you take a ASVAB practice test, pay special attention to these three groups of questions:

The AFQT score is a percentile ranking between 1 and 99 that shows where your score is placed in relation to others. For example, if you score a 54 on the AFQT, this means that you scored as well as or better than 54% of other recruits. If you are not satisfied with your score and wish to retake the test to improve your chances at getting selected, you must wait a month before taking it again. You can retake the test as many times as you want, but after 3 attempts the waiting period jumps to 6 months.
According to the ASVAB testing site, the branches of the military use the Armed Forces Qualification Test (AFQT) score to place soldiers into training groups. The AFQT score is comprised of four of the ASVAB subtests: the Arithmetic Reasoning (AR), Mathematics Knowledge (MK), Paragraph Comprehension (PC), and Word Knowledge (WK). The AFQT score is computed on a percentile score from 1 to 99; the higher the percentile score, the more likely a soldier is to get a military job he wants. In addition, branches of the military use individual subtest scores, such as Auto and Shop, to place soldiers for individual training.
Commander-in-chief: President of the United States Secretary of Defense Deputy Secretary of Defense Secretary of Homeland Security Deputy Secretary of Homeland Security Joint Chiefs of Staff: Chairman Vice Chairman United States Congress: Committees on Armed Services: Senate House Active duty four-star officers United States military seniority National Security Act of 1947 Goldwater–Nichols Act

How good is your vocabulary? It’s never too late to brush up by using “vocabulary builders” you find on Google, reading a variety of books, manuals and magazines, and using practice tests to identify words that you’re not sure of. The WK section tests your word knowledge in several ways. First, it tests whether you can recognize correct and incorrect spellings of words. For this type of question, you may want to review words that are often spelled incorrectly, and make sure you know how to spell them. You will also need to know the definitions of words, and be able to use them in a sentence. The more you practice, the better you will be at automatically recognizing the right spelling of a word, and the easier it will be to know it’s precise meaning when it’s used in a sentence.
This is the most recent and updated publication of the infamous, ASVAB FOR DUMMIES. Although slightly more expensive than the original version, the ASVAB FOR DUMMIES PREMIER PLUS comes with the standard three full length practice tests and one year of online access to an additional six practice tests. You will also have access to 300 ASVAB flash cards, and the ability to create your own practice tests to hone in on your weaknesses and rise above them.
The food chain describes the interdependency of the various organisms within a community.  The food chain is made up of producers that make their own food and consumers that cannot produce their own food and feed on producers.  Primary consumers feed directly on producers, secondary consumers feed on primary consumers and producers, and tertiary consumers feed on all organisms lower in the food chain.  Also in the food chain are decomposers like bacteria and fungi which break down all members of the food chain to recycle their organic compounds.
Mechanical Comprehension. Items contained within this section include topics that would typically be found in an introductory high school physics course and the application of these topics within a variety of situations. The questions in this portion of the test gauge examinees’ knowledge of principles related to gases and liquids, and their understanding of the ways in which these properties affect pressure, volume, and velocity. This subtest also includes questions that relate to the components and performance of mechanical devices.

Whenever possible, military personnel (active duty, National Guard, and reserve) will arrange to take the in-service ASVAB from your service’s Test Control Officer at a military installation; however, on a case-by-case basis, Military Entrance Processing Station (MEPS) commanders may authorize administration of an ASVAB for in-service purposes at their MEPS. You must submit a memorandum from your unit commander requesting the MEPS to administer an ASVAB. The memorandum must include;
Again, would you rather go into the ASVAB unsure of what to expect and not knowing if you studied the right things or would you prefer to have taken similar tests covering content commonly tested for on the real thing? Taking practice tests is a great way to build your knowledge, your confidence and your ASVAB familiarity so that you feel relaxed and confident on test day.

After you know the problem, the solution will come much easier. In the example above, you would probably want to spend about 60% of your time with math studying and about 40% with verbal. If you are really ambitious, you could throw in some studying time for the non-essential sections - GS, AS, MC, EI. An hour-a-day study schedule might look something like this:
The CAT-ASVAB is an adaptive test which means the test adapts to the ability of the test-taker. It is possible to administer a shorter test this way than with the pencil and paper test. When you complete a subsection of the test, you can then move onto the next section of the test without having to wait for an administrator. Subsections are still timed however and on average it takes about 1 ½ hours to complete the computer ASVAB.
My student and I like how there are videos in between. This allows him to visually see and hear about the information in a different way. It breaks up the book and makes it more interesting. I also like the setup of the book. So far, he has taken the Word Knowledge practice test after reviewing and received a score of 32/35, which seems to be a very good score. He wants to join the National Guard but did not score high enough on the ASVAB the two times he took the test previously. This study guide seems to really be helping him with the secrets and tools to achieve a higher score.

Potential Marine Corps recruits should contact a recruiter to determine the best way to identify their long-term military career goals. The recruiter can assist with identifying areas of the ASVAB to focus on as well as help the recruit understand all other requirements, including those based on physical assessments. Being prepared for the ASVAB is the best way to ensure that your long-term career with the United States Marine Corps is compatible with your skills and interests.
Additionally, many ASVAB practice tests have a section explaining the answer choices. It can be tempting to read the explanation and think that you now have a good understanding of the concept. However, an explanation likely only covers part of the question’s broader context. Even if the explanation makes sense, go back and investigate every concept related to the question until you’re positive you have a thorough understanding.
This subtest of the Armed Services Vocational Aptitude Battery is designed to gauge your understanding of simple machines and mechanisms. On the paper version of the ASVAB, you will have 19 minutes to answer 25 questions and on the CAT-ASVAB you will have 20 minutes to answer 16 questions. This subtest is NOT counted as part of your Armed Forces Qualification Test score. It is used to determine your qualification for certain military jobs. The Mechanical Comprehension subtest requires a good ability to decipher machine diagrams. You’ll also need a familiarity with mechanical physics and you will need good math skills as you may be required to explain mechanical principles by solving equations based on formulas.

Education Requirements – Recruits without a high school diploma are practically ineligible to enlist. The Marine Corps do not allow more than 5% of recruits to enlist without a high school diploma, and those recruits must have a GED. Those with only a GED must score at least a 50 on the AFQT to be considered. As with the other branches, the Marine Corps provides advanced enlistment rank for recruits that have some college experience (i.e. credits). However, the Marines are less generous to recruits with some college credit as they only allow the maximum advanced rank of E-2 upon enlistment.
Varsity Tutors’ ASVAB Learning Tools can also help you work in groups, if you so choose. They let you post results on social media so others can see how you did. Many people actually share their progress over time and make this an opportunity to help one another; they’ll even compete in practice tests to make them more fun. The ASVAB practice tests provide a sample of the material you’ll be asked to work with on test day. They are structured in a precise, non-intimidating format with honest and detailed feedback. The study process is made simpler and more efficient while also facilitating a more personalized process of studying.

The results of each test are shown as soon as you complete it. You’ll see what you got right and how it compares to other people who took the same test. Feedback is also visual, showing your percentile and success on each question compared to others. The answers to each ASVAB practice test question are explained as well. The free ASVAB example questions are both tools for learning and for comparing your results to your own previous attempts, and to the scores of your classmates and peers. You can use the scores as a baseline and to identify your weaknesses. With this information, it becomes easier to focus your study time and effort on areas that need improvement.
5. A It is reasonable to conclude that the author mentioned Cindy because it would strengthen the argument that birth order affects personality traits. The passage states that oldest children are more responsible and perform better in school. Since Cindy was on the Dean’s list (good academic performance) and did her chores as a child (a sign of responsibility), it is reasonable to assume that Cindy was an oldest child.
The paper version of the ASVAB is similar to the CAT-ASVAB, but with a few notable differences. The difficulty of the tests are the same; however, the auto and shop information subtests are combined into one section, and the amount of questions and the time available for the subtests are different. On the paper version you will have 149 minutes, approximately 2.5 hours, to complete 225 questions. The table below provides a breakdown for the Paper & Pencil ASVAB:
Nobody wants to be stuck doing something they don’t like. That’s why we urge you to take advantage of our free practice tests and study guides.  Our ASVAB practice tests are formatted exactly like the real ASVAB test and will not only help ensure you have the knowledge to ace the real exam but will also prepare for the actual experience of sitting for the test.
Also, the answer explanations for all of these problems are very in-depth and detailed. Learning from your mistakes is one of the top ways to learn and this book really allows you to do that. Along with all the practice questions you get an all-inclusive and in-depth subject review on all of the topics included in the exam. Nothing is left out. Because of this, this is the only review book that you will need, no other supplement guides are needed (helping to save you money by only having to buy one guide!).
Trends in recruiting 1975–2001 showing total numbers of enlisted recruits in all branches of US armed forces in light blue and percentage of recruiting goals met in dark blue. Percentage of recruits with at least a high school diploma is shown in gold, percentage with an above average AFQT in orange, and the percentage called "high quality", with both a diploma and above-average AFQT score, is in purple.[1]
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