here is the link to the article : https://www.semanticscholar.org/paper/Dietary-pattern-and-depressive-symptoms-in-middle-Akbaraly-Brunner/ba0d16badbefcfa3a8eeb748c02e827244dd2fae

• What is the research question?
• What are the operational definitions of the key variables?
• What are the threats to internal validity relevant for this study?
• What are the threats to external validity relevant for this study?
• What is your synthesis of the major findings? Remember that this synthesis should be a succinct statement that identifies the major take-away point from the research.