In the simplest experimental method, ‘E’ manipulates __________?A. One VariableB. Two VariablesC. Three VariablesD. None of these 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
