The control group is the group in an experiment that is not affected by or exposed to the independent variable. A negative control is a control group...Become a member and unlock all Study Answers Start today. Try it now ...
A. independent variable B. dependent variable C. control variable D. experimental variable 相关知识点: 试题来源: 解析 B。依赖于自变量的变量被称为因变量。A 选项是自变量;C 选项控制变量是要控制不变的变量;D 选项 experimental variable 不是常用的科学实验术语。反馈...
B. The variable that is manipulated. 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...
A. is changed by the experimenter B. is measured by the experimenter C. depends on the other variable D. has no E. ffect on the results 相关知识点: 试题来源: 解析 A。实验中的自变量是由实验者改变的变量。选项 B 被测量的是因变量;选项 C 依赖于其他变量的不是自变量;选项 D 对结果没有...
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“...
a青柠数码 Blue lemon numerical code[translate] avalue too long for type character varying 价值太长期为类型字符变化[translate] aThe independent variable is 独立变量是[translate]
1. Given function v=30-2t,___is the independent variable and ___is the dependent variable, ___is the constant.相关知识点: 试题来源: 解析 t;v;30和2 函数v=30-2t 中,t 是自变量,因为它可以自由变化;v 是因变量,因为它依赖于 t 的值而变化;30 和 2 是常数,因为它们的值在函数中保持不变...
解析 the numbers ofhours of sunlightIn the corretational study of amounts of sunight and the weights of tom ato plants, the amounts of sunlight is eguau to the numbers of hours of Sunlignst. {Definition of independent and dependent variablesí. ...
The control group is not exposed to the independent variable manipulation, but provides a point of comparison when examining the effects of these manipulations on the dependent variable. A. 正确 B. 错误 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 ...
A. independent variable B. dependent variable C. control variable D. constant variable 相关知识点: 试题来源: 解析 B。在实验中被测量的变量称为因变量。选项 A 是自变量,是实验者主动改变的变量。选项 C 是控制变量,保持不变。选项 D 是常量变量,同样保持不变。反馈...