Without the manipulation of a(n) ______ variable, it is very difficult to rule out other possible factors as causes of a change in the ______ variable.
A) dependent; independent
B) independent; dependent
C) dependent; confounding
D) confounding; independent

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated in an experiment to observe its influence on the dependent variable. Without manipulating the independent variable, it is difficult to determine causation and rule out other possible confounding factors that may be influencing the dependent variable. Confounding variables are other factors that may be influencing the dependent variable, but they are not being measured or controlled for in the experiment. Therefore, choice B is the best option as it correctly identifies the importance of manipulating the independent variable in order to establish causation in experimental research.

Without the Manipulation of A(n) ______ Variable, It Is Very