NOT FOR PRACTICE.
Practice Materials HERE.
The passages on this page are to help you strengthen your understanding of PSYCHOLOGY. They are written at a junior-high-school level, so that you can read them quickly and learn about the topic quickly.
The article's simple sentence structure allows you to understand new vocabulary as well as complicated ideas very easily.
This will make you more familiar with PSYCHOLOGY so that if you encounter a difficult passage on the real iBT about this topic, you will be able to make better educated guesses.