week two assignment for psy635. Week 2 ? Assignmentÿ instruction for psy635Research and Critique an Experimental StudyPrior to beginning work on this assignment, be sure to have read all the required resources for the week. Find an experimental research study on the topic chosen in Week One for your Final Research Proposal. You may choose to include an experimental study which was included in the literature review you used in the Week One assignment by searching the reference list for experimental research studies on the topic. However, it is also acceptable to find and include an experimental research study on the topic that is not included in that literature review.Identify the specific experimental research design used in the study. Summarize the main points of the experimental research study including information on the hypothesis, sampling strategy, research design, statistical analysis, results, and conclusion(s). Evaluate the published experimental research study focusing on and identifying the specific threats to validity that apply to the chosen study. Explain whether these threats were adequately addressed by the researchers. Describe how the researchers applied ethical principles in the research study.The Research and Critique an Experimental StudyMust be three to four double-spaced pages in length (not including title and reference pages) and formatted according to APA style as outlined in the Ashford Writing Center.Must include a separate title page with the following:Title of paperStudent?s nameCourse name and numberInstructor?s nameDate submittedMust use at least one peer-reviewed source in addition to those required for this week.Must document all sources in APA style as outlined in the Ashford Writing Center.Must include a separate reference page that is formatted according to APA style as outlined in the Ashford Writing Center. Carefully review the Grading Rubric for the criteria that will be used to evaluate your assignment.