Critique an article on ANOVA testing, Which is the research design used by the authors?

1. Why did the authors use ANOVA test?
2. Do you think it's the most appropriate choice? Why or why not?
3. Did the authors display the data?
4. Do the results stand alone? Why or why not?
5. Did the authors report effect size? If yes, is this meaningful?
6. Please add citations to work and references thank you