When a Control Group Is Not Feasible for Practical or Ethical

question 30

True/False

When a control group is not feasible for practical or ethical purposes, the use of a nonequivalent control group can be beneficial.

---

Definitions:

Linear Regression

A statistical method that models the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

F Test

A statistical test used to determine whether there are significant differences between the variances of two or more groups.

T Test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Least Squares Line

A regression line calculated using the least squares method, aiming to minimize the squares of the differences between observed and predicted values.