Answer:Redistributive policies
Explanation:
Cecil must have been experiencing Obsessive compulsive disorder, where he do things repeatedly like how he would frequently count his heart beat aloud. Obsessive compulsive disorder is usually accompanied by anxiety which is Cecil is experiencing and the thought of suicide which is also Cecil's thought of jumping out of the window of his tenth floor apartment.
I believe the answer is: physical development
In longitudinal study same subjects over a certain period of time. From the study above, we can see that on-field-performance is the dependent variables. Since there is no way for the researchers to conduct and proof the psychological development, physical development ia the most suitable choice.
Its important so that no one person has to much power