Identifying Research ComponentsUse the Week 4 research template(I am attaching research template) to complete the following assignment tasks.•Choose the assigned research articles from W2 Assignment 2. Describe the sample, demographics, data collection process, setting, and the instrument, tool, or survey used in the articles. (I am going to attach the articles).Article 1: Park, M., Cho, S., & Hong, H. (2015). Prevalence and perpetrators of workplace violence by nursing unit and the relationship between violence and the perceived work environment. Journal of Nursing Scholarship, 47(1), 87-95. doi: 10.1111/jnu.12112.Article 2: Turk, M., Fapohunda, A., & Zoucha, R. (2015). Using photovoice to explore Nigerian immigrants’ eating and physical activity in the United States. Journal of Nursing Scholarship, 47(1), 16-24. doi: 10.1111/jnu.12105•Discuss the authors’ summary about the validity and reliability of the instrument.Cite all sources in APA format.Assignment 2 Grading Criteria1. Described the sample in the studies chosen in W2 Assignment 2.2. Described the sample characteristics (demographics) in the study.3. Discussed the data collection process used in the studies.4. Identified the sampling design.5. Described the instrument or tool or survey used in the articles.6. Summarized the discussion regarding the validity and reliability of the instrument in each article.7. Discussed the legal and ethical concerns as well as the IRB approval.