C. The recall accuracy of the participants. D. The gender of the participants. 相关知识点: 试题来源: 解析 C。在记忆实验中,因变量是随着独立变量变化而变化的变量。回忆准确性会受到不同实验条件的影响而变化,所以选项 C 回忆准确性是因变量。选项 A 学习时间长度是独立变量。选项 B 参与者数量通常在...
A. the scientist changes B. changes because of the independent variable C. stays the same throughout the experiment D. is not important 相关知识点: 试题来源: 解析 B。解析:因变量是在实验中因为自变量的变化而变化的变量。选项 A“the scientist changes”是自变量。选项 C“stays the same througho...
百度试题 结果1 题目An independent variable precedes (comes before) the dependent variable.相关知识点: 试题来源: 解析 √ 反馈 收藏
An independent variable is an activity or characteristic believed to make a difference with respect to some behavior; a dependent variable is the change or difference in behavior that occurs as a result of the independent variable. For example, in Labov’s study of /r/, the social status of...
Explain what a "lurking variable" is. How do they impact statistics? What are the concepts of independent and dependent events? Provide examples of independent and dependent events from the business environment. Provide an example of where you might use a dummy variable. ...
Path analysis refers to a wide variety of statistical tests. The common denominator among these tests is that they are used to determine if a relationship exists between an independent variable and a dependent variable. For this example, the type of path a...
When a researcher selects an independent variable in an experiment, behaviors of unexpected extraneous variables will sometimes be dependent on the intensity of the independent variable. An example of this situation is what is called a confounding variable. An example of such a variable might be th...
An analyst is testing to see whether a dependent variable is related to three independent variables. He finds that two of the independent variables are correlated with each other, but that the correlation is spurious. Which of the following is most accurate? There is:A. no evidence of multicol...
In a regression model, if variance of the dependent variable, y, conditional on an explanatory variable, x, or Var(y|x), is not constant, ___.A.the t statistics are invalid and confidence intervals are valid for small sample sizesB.the t statistics are
Explain what is measured by the sum of squares (SS). State four properties of the mean and illustrate each with an example. What should be the nature of the dependent variable? What is used to summarize the distribution of a categorical value?