Question

Dr. Fletcher decides to give the same measure to another group of 55 participants who decided to not join a fraternity/sorority. Doing this would help Dr. Fletcher address all of the following threats to internal validity EXCEPT:

Answer 1

Experimenter bias

Maturation

Selection

History

Step-by-step explanation:

Experimenter bias occurs when the researcher subconsciously affects the result of an experiment such that it delivers a given conclusion. It is one of the biases that are more difficult to prevent.

While carrying out an experiment, the researcher can start to lean towards an idea or a conclusion and start interpreting results to favor this idea. Double Blind techniques can be used to prevent this bias, this a process where the experimenter does not know who an experiment favors.