Two step model

• What is acquisition explained by

  Classical conditioning
• What is maintenance explained by


  Operant conditioning
• Acquisition eg little Albert


  Noise (UCS) + Fear (UCR)

  Rat (NS) + Noise (UCS)

  Rat (CS) + Fear (CR)
• Maintenance


  Reinforcement

  -Negative Reinforcement - avoiding the situation
• Positive of two step model


  Real world Application - Exposure therapies

  Links between traumatic experiences and phobias - Association pairs them together
• Negative of two step model


  Does not explain cognitive behaviour, only behavioural

  Not all phobias are due to a bad experience - Evelution