IQ test is the most scientifically valid IQ test available on the web today. Previously offered only to corporations, schools, and in certified professional applications, it is now available to you.
Aptitude and ability tests are designed to assess your logical reasoning or thinking performance. They consist of multiple choice questions and are administered under exam conditions. They are strictly timed and a typical test might allow 30 minutes for 30 or so questions. Your test result will be compared to that of a control group so that judgments can be made about your abilities. Aptitude and ability tests can be classified as speed tests or power tests. In speed tests the questions are relatively straightforward and the test is concerned with how many questions you can answer correctly in the allotted time. Speed tests tend to be used in selection at the administrative and clerical level. A power test on the other hand will present a smaller number of more complex questions. Power tests tend to be used more at the professional or managerial level.

Intelligence tests measure your intellectual functioning, or in plain language, how smart you are. They are designed to measure an individual's mental skills. A person's intelligent quotient (IQ) is a measure of intelligence derived from the results of specially designed tests. The quotient is determined by dividing an individual's mental age by his chronological age and multiplying the result by 100.A score of 100 means that compared to these people in your general age group that you have basically an average intelligence. Most psychologists would say those scoring in a range of 95 to 105 are of a normal intelligence or have an average IQ.

Actual IQ score may vary plus or minus five points since it is very difficult to get an IQ score with complete accuracy. Keep in mind, there are many outside factors that may have a negative impact on your score. For instance, if you are not feeling well at the time of taking the test. Or perhaps you are distracted by something on that particular day. These things may affect your score. Additionally, IQ is not the be all end all of a person's abilities in life. IQ score fails to measure things such as manual dexterity (obviously), musical talent, and a slew of other abilities that may lead one to many different successes in life. However, your score on an IQ test will give you a pretty accurate indication of the ability you possess to think, reason and solve problems which can often be critical in many phases of your life