Happiness

1. Do you think these data collection tools are valid scientific tools? Why or Why not? (In research this is part of what is called validity)
No, I don't think that these data collection tools are valid scientific tools because it's easy to know your degree before see it on the screen. You can know which answer for happy people, which for medium and which for sad people. For example, the first two answer for sad people, the third one for medium and the last two answers for happy people.

2. Do you think your results would be if you took the on-line questionnaire at a different time, on a different day? Why or why not? (In research this is part of what is called reliability
In my opinion, the result would not changed very much. The questionnaire measure specific things. Time and place couldn't affect the questionnaire

3. Which of the two tools is better to do with a large group of people (eg. university students, people living in cities versus rural locations, etc.) to discover patterns of happiness in a given population? Why do you think that one is better suited?
I think the best tools to measure the happiness is to do it in a large group with same environment. So, the university student are all in the same environment, on the same age.
However, people from different environment have different situations which may affect the questionnaire.