C. The variable that is controlled. D. The variable that is observed. 相关知识点: 试题来源: 解析 B。原因:文章中提到“In an experiment, researchers manipulate an independent variable and observe the effect on a dependent variable.”,即在实验中,研究者操纵自变量并观察其对因变量的影响,所以...
In the experiment, if a certain variable is changed, what will happen to the results? A. Remain unchanged. B. Become more accurate. C. Be unpredictable. D. Be affected. 相关知识点: 试题来源: 解析 D。解析:在实验中如果某个变量改变,结果会受到影响。A 选项保持不变错误;B 选项变得更准确...
In the experiment described, what was the independent variable? A. The type of fertilizer used B. The amount of water given C. The type of soil used D. The duration of sunlight E. xposure 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
In an experiment, if the independent variable is changed, what might also change? A. Dependent variable B. Control variable C. Constant variable 相关知识点: 试题来源: 解析 A。理解科学实验中的变量关系,自变量改变可能导致因变量改变,答案是 A。
In the experiment described, what was the independent variable?搜索 题目 In the experiment described, what was the independent variable? 答案 A 解析 null 本题来源 题目:In the experiment described, what was the independent variable? 来源: 雅思单选试题及答案 收藏 反馈 分享...
B. The type of music genre. C. The time of day the experiment is conducted. D. The age of the participants. 相关知识点: 试题来源: 解析 C。混杂变量是可能影响实验结果的额外变量。在音乐对情绪影响的实验中,实验进行的时间可能会影响参与者的情绪,从而成为混杂变量。选项 A 音乐音量可以作为独立...
What is the screening effect? What is an experimental approach in biology? What is the purpose of fontanelles? What is the difference between control and variable in an experiment? What is the purpose of a controlled variable? What is cytotoxicity testing?
The independent variable is the variable that is controlled and manipulated by the experimenter. For example, in an experiment on the impact of sleep deprivation
What was the dependent variable in the Stanford Prison Experiment? What was the dependent variable in the Milgram experiment? What was the independent variable in the Bobo doll experiment? What is the independent variable in Harry Harlow monkey experiment?
The big advantage of a controlledexperimentis that you can eliminate much of the uncertainty about your results. If you couldn't control each variable, you might end up with a confusing outcome. For example, if you planted different types of seeds in each of the pots, trying to determine ...