English homework 2

You can also say, "Hello people! If you see this notebook, please correct it."

You tend to repeat the subject. Eg. you mentioned the topic "English Homework 2" and used it again in "hello!.................."  which is quite unnecessary as it is already understood.

Research Questions 
In the psychology department of Stanford University in the USA, it was confirmed that when an ordinary person was given a special title or position, he would act according to his / her role.

Methods &Data
Among For this research, 21 students were selected as subjects from a group of 70 college students. such as regular college students collected in newspaper advertisements etc., we  then grouped 11 students as guardians,10 students as inmates, divided their roles and placed them in a facility that matched the actual prison conditions and made them perform. Gimbaldawn made sure that the actual prison conditions were realistically reproduced(simulated). Gradually, Initially, the guard was not instructed by anyone, but he began to fill his role and penalize himself as the prisoners all by himself. Gimbaldaw  then asked the pastor counseling in the actual prison to see the prisoner simulated role of the prison experiment and compare the experiment  it with the actual prison. The pastor observed that the simulated prisoners exhibited  was exactly the same initial symptoms of as the prisoners who were put in the real prisons.

and was accused of being too busy for the experiment.  ごめんね。 I did not understand the role of this sentence.