Please write a short answer to the following question. This is not an essay. Be short and concise, but please make sure to state your answers clearly.

Based on your final project topic, please answer the following questions about research methods: $(19$ points$)$

Which sampling method would you use and why? $($e$..$g$,$ simple random, stratified random, cluster, convenience, judgment, or quota$).(3$ points$)$

How would ensure "reliability" and "validity" in your data collection? Make sure you define the two words in your answer. $(4$ points$)$

What are "attention check questions," and include ONE attention check question example you could use in a survey about your project topic. $(4$ points$)$

There are multiple types of qualitative data collection methods. From ethnographic, case study, or phenomenological methods, choose one, and describe how you could use that as a data collection method in your final project. $(4$ points$)$

Finally, LIST two $(2)$ advantages and two $(2)$ disadvantages of using primary data collection over secondary data collection methods. $(4$ points$)$