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科学观察有何特征？
时间：2022-01-04 02:39
关键词：
社会学
林学
大学试题
CMS专题
答案解析
<p> 1.在观察之前先具有一定的研究目的或假设，然后根据研究需要有目的的通过观察获取资料；<br> 2.需要有系统的观察设计；<br> 3.有系统完整的记录；<br> 4.观察过程应避免主观和偏见；<br> 5.观察的过程和获得的资料可以重复查证。</p>
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