5. whenever adrian plays his favorite video game, he always gets a higher score if he plays
while listening to music. he wants to know if listening to music while playing video games
affects other kids as well. he decides to test all the boys in his class. what should adrian do
to avoid experimental bias?
o only test the boys who usually play video games
o only test the boys who like video games
o include girls in the experiment
o include the teacher in the experiment

Adrian should only test the boys who usually play video game.

Explanation:

To avoid the risk of bias, his experimental needs to focus on the human elements of the research process ( in this case boys who usually play video games) in order to recognize and prevent  types of bias.

find out why you don't need to aim at such a syllable pattern in english. you may have thought that haiku was supposed to be 5-7-5, so what's up with the logo by the gravitational pull of celestial objects, can touch us in unexpected ways.