来自《耶鲁大学开放课程：心理学导论 第5集 第5集》
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It turns out very difficult to study this in a lab.事实证明 很难对此进行实验室研究 -
You're not going to have your experimental credit.你又不能靠傻笑来得到你的实验学分 -
You come into the lab and say,你走进实验室说 -
"Okay. I'm the graduate student. Ha, ha, ha.""我是研究生 然后傻笑" -
And in fact,实际上 -
an example of a methodological attempt was done宾夕法尼亚大学的亨利·葛雷曼 -
by Henry Gleitman at University of Pennsylvania,曾经进行过研究方法上的尝试 -
who built a tickle machine,他发明了一台挠痒痒的机器 -
which was this box这是一个装有两只大手的箱子 -
with these two giant hands that went "r-r-r-r."双手会不停的去挠痒痒 -
This was a failure这是一个失败的发明 -
because people could not go near the tickle machine因为人们还没靠近挠痒痒的机器