The correct answer is A) Zimbardo did not use a control group.
The major flaw in the research design of the Stanford prison experiment was that Zimbardo did not use a control group.
A control group was necessary to study a particular variable in prison. He had no alternative group to compare and measure the results of the experiment.
Other mistakes he had were that he was part of the experiment. He participated as the prison superintendent. He was an authoritative figure inside the experiment of the prison and influenced the behavior of his students. He should have a neutral position.
His first Italian opera in England was called 'Rinaldo'
It premiered in 1711.
American women had an important role during the United States time of war, if we're talking about World War II. They went to work in war-related industries to fill in for the men who were away at for for example - D. This was of tremendous importance for the war effort and the ability of it being sustained.
Homo habilis was a name used for those that existed around 2 million years ago. Therefore, B is out. Same thing with A and C. Those are names used in early humans as well. Homo sapiens is the name for the more recent humans. The answer is D: Homo Sapiens.
