Disadvantages

• What is a disadvantage of repeated measures design?

  Can lead to demand characteristics
• What are order effects in repeated measures design?

  Effects due to the sequence of conditions
• How might order effects influence participant performance?

  Better performance may be due to practice
• What could cause participants to perform worse in the second condition?

  Fatigue from previous conditions
• What question arises if participants do better in the second condition?

  Is the improvement due to noise?