Second-order conditioning

與年幼制約的配對效果越佳。 施加輕度壓力的配對效果越佳，但過多反會削弱學習效果。 二階制約（英语：Second-order conditioning）（second-order conditioning ）指當一個刺激物制約成功後，用該刺激物去學習新的刺激物的制約關係。例如「吃飯」指令（CS1）

their spontaneous polarisation as a first or second order phase change occurs. In case of a second order transition the Curie Weiss temperature T0 which

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Vehicle Technology Explained, John Wiley & Sons, 2003 Sam Abuelsamid. Conditioning will be the key to battery performance and durability says GM. greenfuelsforecast

Robert; Ueckerdt, Falko; Luderer, Gunnar. Managing Power Demand from Air Conditioning Benefits Solar PV in India Scenarios for 2040. Energies. January 2020