题目内容
Experimental scientists conduct their research largely on _________ __________ and statistical calculations, which is called quantitative research.
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Social scientists often gain their findings from written reports that are rich in __________ details but with _____________ mathematical calculations, which is called qualitative research.
In an quantitative research scientists design and perfom rigorous experiments under ________ conditions.
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.
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