English slang

Hi! I am doing a project in English and I need the help of native speakers of any English speaking country. Please take my survey.
1. What is your age?
i) 13-17
ii) 18-25
iii) 26-32
iv) 33-40
v) 41-48
vi) 49-56
vii) 57 and over

2. What is your gender?
i) Male
ii) Female

3. Do you use slang expressions?
i) YES
ii) NO

4. If yes how often?
i) always
ii) often
iii) rarely

5. What are the reasons for using slang words in an everyday conversation?
i) to say something in an easy way
ii) to show anger
iii) to make other people confused
iv) to have fun and laugh
v) to be ‘different’, to be novel
vi) to enrich the language
vii) _________________________________________(please, write your own reason)

6. If you use any slang expressions , please write them in the space provided: ________________________________________________________________________________________________________

7. What country are you from?
________________________