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题目
STAT 1450.02 SP2025 (28132) Checkpoint 9.1 & 9.2
单项选择题
A specific experimental condition applied to the subjects is called a(n) ________________.
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标准答案
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思路分析
The question asks: 'A specific experimental condition applied to the subjects is called a(n) ________________.'
Since the options are not provided in the prompt, I will focus on the core concept. In experimental design, researchers manipulate one variable to observe its effect on another. The condition that is......Login to view full explanation登录即可查看完整答案
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Question at position 15 The key difference between an observational study and an experiment isThe use of random selection of participantsThe number of variables that are being studiedThe ability to replicate the studyThe creation of groups of homogenous subjects to studyThe assignment of treatments to experimental units
Question at position 14 Which of the following is NOT one of the major principles in the design of experiments?All of the given options are important principles of designing experimentsCare in observing without imposing changeRandomization in assigning subjects to different treatmentsControlling for other variablesReplication of the experiment using sufficient numbers of subjects
If you wanted two replicates per treatments, how many experimental units would you need? [ Select ] 8 12 27 x [ Select ] 1 2 3 = [ Select ] 12 24 36 experimental units
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为了让更多留学生在备考与学习季更轻松,我们决定将Gold 会员限时免费开放至2025年12月31日!