Why did the investigators perform this study? What did they want to know specifically? 2. Sample/Population: What group of subjects did they use? Be specific. How big was the group? How did

Reference: Salas-Salvadó, Díaz-López, A., Ruiz-Canela, M., Basora, J., Fitó, M., Corella, D., Serra-Majem, L., Wärnberg, J., Romaguera, D., Estruch, R., Vidal, J., Martínez, J. A., Arós, F., Vázquez, C., Ros, E., Vioque, J., López-Miranda, J., Bueno-Cavanillas, A., Tur, J. A., … Martínez-González, M. Á. (2019). Effect of a Lifestyle Intervention Program With Energy-Restricted Mediterranean Diet and Exercise on Weight Loss and Cardiovascular Risk Factors: One-Year Results of the PREDIMED-Plus Trial. Diabetes Care, 42(5), 777-788. https://doi.org/10.2337/dc18-0836
1. Purpose: Why did the investigators perform this study? What did they want to know specifically?
2. Sample/Population: What group of subjects did they use? Be specific. How big was the group? How did they pick this particular group? Does this population represent a narrow group or a large group?
3. Data Collection Method: What method did they use to conduct their study? Was the data collected real-time or was it a retrospective review?
4. Major Findings/Conclusions: After analyzing the data, what did the investigators find? What conclusions did they draw? Were there limitations to the findings?
6. Contribution to Review of the Literature: How does this study contribute to the whole body of knowledge regarding this topic? What aspect of the subject did it address?