Problem: Provide a synopsis of the review of the research literature. Using the "Literature Evaluation Table," determine the level and strength of the evidence for each of the eight research articles you have selected. The articles should be within the last 5 years and closely related to improvement of scheduling process to improve nurse staffing. The articles may include quantitative research, descriptive analyses, longitudinal studies, or meta-analysis articles. A systematic review may be used to provide background information for the purpose or problem on unoptimized scheduling process causing inadequate staffing for nurses