List the key points of five articles.

Read the five articles in the attachment, and list the key points of each article using the graph as below:

These articles are all related to “discovering the impact of xxx campaign on xxx ”, but they use different methods according to the research questions. I hope to know what methods does each of them use and why.

Study1 Study2 Study3 Study4 Study5
Topic summary
Research goal
Research questions

Methodology

What methods did they use to conduct the research? Such as in-depth interview, questionnaire etc, (explain in detail)

What measurement is used to measure the impact?(what variables are used?)
Why did the researcher use these methods?

p.s. This is not a school assignment (it is just a note for myself), so you can write in colloquial style, or just copy the sentence from the articles.

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