PLEASE HELP ME! THIS IS WORHT 100 POINTS! IF YOU DO THIS FOR ME ILL ALSO GIVE YOU BRAINLIEST! CONTACT ME ON DISCORD TO DO THIS FOR ME TYSM MY USERNAME AND TAG IS •Fishy Fish•#7919

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

what is the answer

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.

answer; (true);