👤 Within-Group design §

🗂 Structure §

• one group
• each participant → all conditions

👍 Pros: §

• Smaller 🍔 Sample size
• No individual differences

👎 Cons: §

• Fatigue and learning effect
  • → treatment must be reversible
• longer time → more drop-outs
• Solution: 🧪 Pre- and Post-Testing