What is the hypothesis of the study? In other words, what claims do the authors make in the article?

What is the hypothesis of the study? In other words, what claims do the authors make in the article?
What variables (factors) are being looked at as an influence on personality?
If these variables or the relationship between these variables have been studied before, what does the article indicate about the findings of previous studies? This shows historical significance.
What type of research design is used in the study?
Do you think the research in this article was conducted in an ethical manner? Why or why not