华生关于儿童恐惧心理的研究，其实验对象小阿尔伯特从最初不害怕小动物到结束时的害怕一切毛绒物品，这违反了教育心理学研究的（ ）。

(单选题)Which way can cure the mental disorder nearly without bad in (单选题)According to the British charity, how many percent of worker (单选题)With more and more people suffers from mental diseases, it w (单选题)The passage is ______. (单选题)What’s the main idea of the passage? (单选题)The passage is probably intended for ______. (单选题)Which is true according to the passage? (单选题)The underlined word “toddler” most probably at the age of “_ (单选题)You may enjoy lots of music when you watch ______. (单选题)Which one of the following is true?