What is an adaptive iq test?

An adaptive IQ test is one that adjusts the difficulty level (item difficulty) of the questions based on the test taker's performance. The brght IQ test is an example of an adaptive test. Each test taker starts with a relatively easy question and as they answer correctly, the next question becomes slightly more difficult. If the test taker answers incorrectly, the next question will be easier. This method of question selection ensures that each test taker is answering questions at their own appropriate difficulty level.
For every question we analyze the time it takes the average user to get tot the correct answer (Response Time Analysis). This information allows us to select a set of questions for each individual test taker that is challenging but possible to answer within the given time.
The main advantages of adaptive tests include: