The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find.
Question 1
Which of the following may have contributed to the slow change of behavioral science?
✔[A] It is inconvenient to find indirect explanations
[B] some explanations seem too arduous费力的；努力的 to be understood
Question 2
Please translate the sentences into Chinese.
The behavioral sciences have been slow to change partly because the explanatory items解释性项目 often seem to be directly observed观测 and partly because other kinds of explanations have been hard to find.
行为科学改变缓慢部分原因是因为解释性项目似乎经常直接被观测到。另一部分原因是因为一些解释很难被发现。↓
行为科学之所以发展缓慢，部分原因是用来解释行为的依据似乎往往是直接观察到的，部分原因是其他的解释方式一直难以找到。
句子详解↓
[1] The behavioral sciences have been slow to change [2] partly because the explanatory items often seem to be directly observed [3] and partly because other kinds of explanations have been hard to find.
句子结构
[1] 主句（S+V）
主：The behavioral sciences 行为科学
谓：have been slow to change 发展缓慢
译文：行为科学之所以发展缓慢
[2] 原因状语从句（S+V）
引：partly because 部分原因是
主：the explanatory items 解释性的条款，意译“用来解释（行为）的依据”
谓：often seem to be directly observed 似乎往往是直接观察到的
译文：部分原因是用来解释行为的依据似乎往往是直接观察到的
[3] 原因状语从句（S+V）
连：and
引：partly because 部分原因是
主：other kinds of explanations 其他的解释方式
谓：have been hard to find.一直难以找到
译文：部分原因是其他的解释方式一直难以找到
本句译文
行为科学之所以发展缓慢，部分原因是用来解释行为的依据似乎往往是直接观察到的，部分原因是其他的解释方式一直难以找到。
