There could hardly be a more descriptive observation, and it means exactly what is says.
因为很难再有一种更具有描述性的观察，而它也确实如描述的那样说了。
While observation and focus groups are best suited for exploratory research, surveys are best suited for descriptive research and experiment for causal research.
观察法和专题讨论法适用于探索性调研，问卷调查法适用于描述性调研，而实验法适用于因果性调研。
While observation and focus groups are best suited for exploratory research, surveys are best suited for descriptive research and experiment for causal research.
观察法和专题讨论法适用于探索性调研，问卷调查法适用于描述性调研，而实验法适用于因果性调研。
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