Answer:
In developing objective knowledge about any areas or fields, it is important to use scientific method, which uses a form of analysis, experimentation, observation.
For this question given, the City University used a scientific investigation to approve or to know that if their students where all happy during their time in the University.
The results should that the first year student's were not happy as compared to the senior students, this was because the senior students from their findings had stayed a longer period of time.
Explanation:
To create objective knowledge about any area it is very necessary to apply the scientific method. The scientific method uses analysis, observation, measurement, and experimentation to acquire objective data to approve the general knowledge and hypotheses .
In this example, the City University implemented a scientific investigation to confirm that its students were happy during their the time in the university. For the investigation, they made use of an instrument that assesses satisfaction.
The results showed that the senior-students were happier than the first-year students, for that the university officials gathered that the students are happier when they attend university for a longer period. This is a better way attract new students and not change to another study center.