1) Test Item reliability
Think of a specific testing scenario. Then consider a reliable test item for that testing scenario and an unreliable item for that same testing scenario. Consider how you might know if these items are reliable or unreliable.
2) Pretend that you have been contracted to create a test to assess intelligence. Think about factors you might consider and steps you might take to ensure reliability of this test. Write a description of factors you might consider and steps you might take to ensure reliability of the intelligence test. Explain why these factors and steps are important.