题目内容
In an quantitative research scientists design and perfom rigorous experiments under ________ conditions.
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Scientists try to analyze and _________ the data so as to determine if the results are statistically significant or they are just a consequence of chances or __________.
In an qualitative research, social scientists analyze and interpret qualitative data, such as ___________ and __________ studies, which are collected through __________ observations or personal interviews.
Listen to the conversation and decide whether the following statements are true or false. Then write key words to support your answers.1. The woman is very familiar with Chinese food
The restaurant is famous for four dishes.
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