問題：
The notion that a behavior can serve as a reinforcer when (1) access to the behavior is restricted and (2) its frequency thereby falls below its preferred level of occurrence.
請解答：
更新1:
一樓的網友會錯意了 不是選擇題 是翻譯題 問題之後的英文 全部要翻譯出來 有這麼難嗎?
更新2:
有人翻譯了謝謝越精準越好喔 題目是.. The notion that a behavior can serve as a reinforcer when (1) access to the behavior is restricted and (2) its frequency thereby falls below its preferred level of occurrence.
更新3:
目前還沒有理想的答案 等待中...
更新4:
還是沒有理想的答案 到時候我會來投廢票
