A confounding variable is an example of ___________, whereas an extraneous variable is an example of __________.
A) systematic error; experimenter error
B) random error; systematic error
C) experimenter error; random error
D) systematic error; random error

Question

Quizplus · Accepted Answer

A confounding variable is a type of systematic error because it systematically affects the outcome of an experiment in a way that can lead to incorrect conclusions if not controlled for. An extraneous variable, on the other hand, can introduce random error into an experiment by adding unpredictable variability to the data, which does not systematically bias the outcome but increases the noise.

A Confounding Variable Is an Example of ___________, Whereas an Extraneous