experiment-group-and-control-group 例句 释义: 全部 更多例句筛选 1. Method: 84 patients with gastroscopy were randomly divided to experiment group and control group, and 42 patients per group. 方法:将84例行胃镜检查的患者随机分实验组和对照组各42例。 lib.cqvip.com©...
1、对照组,英文为control group,又翻译为控制组,对照组等同于控制组。2、实验组和对照组的区别为对于研究因素是否采取人为处理措施,实验组采取了人为处理手段干预某变量;对照组是没有经过处理的组别。3、匹配组与实验组、对照组的区别是将研究因素之外的某些影响实验的因素进行匹配,使组间保持平衡。
实验组(experimental group; treatment group)的政策包含了总统支持这个政策的信息,而控制组(control group,或称对照组,comparison group)没有。结果发现实验组中的受访者对政策的支持率更高,从而揭示了总统对于政策支持度的影响。单因素情景实验也可以从简单的两个情景拓展到多个情景,进而比较不同类型实验干预的处理效应...
In the experiment, what was the role of the control group?搜索 题目 In the experiment, what was the role of the control group? 答案 A 解析 null 本题来源 题目:In the experiment, what was the role of the control group? 来源: 大学英语二级考试题答案 收藏 反馈 分享...
When choosing a control group in an experiment, it should be as similar as possible to the experimental group to ensure ___. A. comparability B. diversity C. uniqueness D. contrast 相关知识点: 试题来源: 解析 A。选择对照组时应与实验组尽可能相似以确保可比性。选项 B“diversity”多样性,与...
A. prove the hypothesis B. compare with the experimental group C. make the experiment more complex D. increase the number of samples 相关知识点: 试题来源: 解析 B。此题为海洋科学实验中控制组的作用。选项 A 证明假设不是控制组的主要作用;选项 C 使实验更复杂不是控制组的目的;选项 D 增加样本...
show the effect of the independent variable C. make the experiment more complex D. have something to compare with the E. xperimental group 相关知识点: 试题来源: 解析 D。解析:实验中对照组的目的是与实验组进行比较。选项 A“prove the hypothesis”是证明假设,对照组不能直接证明假设。选项 B“...
In the experiment, what was the role of the control group? A. To provide a baseline for comparison B. To test a different hypothesis C. To replicate the results D. To introduce a new variable 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
•最常见的“准实验”方案有两类：“非对等控制方案”（nonequivalentcontrolgroupdesign)和“时间系列方案”（timeseriesdesign)Time-seriesdesign(时间系列方案)——onegroup Inasimpletime-seriesdesign,researchersexamineaseriesofobservationsbothbeforeandafteratreatment.过程：先进行一系列的观测，接着引入一种处理，然...
B,The control group in a scientific experiment serves as a standard for comparison to assess the effect of the variables being tested. Option A is the overall aim of the experiment. Option C is a step after the experiment. Option D is incorrect as the control group does not introduce new...