The debate over whether online or paper-based IQ assesment is better is unresolved. However, there are a few crucial factors to consider when making this choice: First, you can take it online whenever you want and from any location. The fact that it is available in many different languages is another benefit. However, the paper-based version can be more accurate and reliable and cheating is also more difficult, therefore it's a better choice for those who want to make sure their results are accurate.