John is planning on conducting an experiment to see how men and women differ in geography performance. after describing the study to the participants, he gives them a written geography test. to make sure he does not mix up his data, he has each person write their name at the top of their test. before john leaves the room, he informs the participants that they should drop their exams in an open box outside his office door so that he can pick up the exams when he returns later that week. john's study should . not be approved because he has violated the ethical standard of protection from harm. b. not be approved because he has violated the ethical standard of confidentiality/privacy. c. not be approved because he has incorporated unnecessary deception in his study. d. be approved. john has followed all ethical guidelines appropriately.

B. Not be approved because he has violated the ethical standard of confidentiality/privacy.

Explanation:

If he wants to conduct an experiment unbiasedly in order to find out how each gender performs in geography test , he shouldn't know which scripts belongs to which gender however now since they have written their names it would be easy to see as he marks the test which scripts belongs to who .

There is a risk of being bias now when he already knows who is who as he give the marks, ethical guidelines requires that the people's privacy should be maintained at all times throughout the experiment in order to establish bias free results.

answer; /// i believe that the correct answer is ; /// renaissance,printing press, age of exploration and protestant reformation;

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds