Avariable that is systematically linked with the factor you believe is causing the overall effect in your research is called the variable. the presence of such a variable can prevent you from knowing what is really causing the effect.

Extraneous variable

Step-by-step explanation:

In an experiment , Independent variable can be manipulated by the experimenter to see the change in the dependent variable or response variable. But there are some variable known as extraneous variable that is attached to independent variable and make experimenter confuse.  

Extraneous variables is defined as :

∴ A variable that is systematically linked with the factor you believe is causing the overall effect in your research is called the extraneous variable variable. The presence of such a variable can prevent you from knowing what is really causing the effect.

answer: it is 1: 47 pm

this doesn't make sense lol