Dr. patel tells parents that she is studying addiction to video games in children but she is really studying childhood aggression. dr. patel brings children and their parents into her lab and has the child play a video game. then, once the child is enjoying the game, the parent is asked to remove the game from the child. dr. patel is interested in how the children react when the game is removed. dr. patel is using deception in her research and must explain the research to participants when the study is over. this is also known as