Why are “operational definitions” of behavior particularly important in single-subject research?

How might this affect the accuracy and the reliability of observations?Why are “operational definitions” of behavior particularly important in single-subject research?What strategies can be followed to minimize the effects of reactivity and observer drift on the behaviors being observed?Consider the difficulty of isolating different dimensions of treatment, e.g. verbal praise and therapist facial expression and body language, in real interventions,and how this makes the definition of functional relationships more challenging. Reflect on the ethical considerations involved in single-subject research.LINK TO RESOURCE http://sped2600i1fg3.weebly.com/uploads/3/8/6/4/38641729/issues_in_single_sub_research.pdfAssignment 2 – Read the guidelines for writing good question in this week’s assignment folder. Then review the survey with these guidelines in mind.What questions are clear and well-written – and why?Which questions should be eliminated or rewritten?How would you rewrite them? Explain the reasons why your rewrite represents an improvementLINK TO SOURCE http://psr.iq.harvard.edu/files/psr/files/PSRQuestionnaireTipSheet_0.pdf?m=1357530492Assignment 3 – in this Application assignment, answer each of the questions below based on the readings in the links below. (1 pt.) Which type(s) of program evaluation models were used in assessing the program? Explain your choice, referring to the guides provided this week.(2 pts.) The evaluators made the decision to incorporate self-report questionnaires as important data collection tools. Why do you think they selected this approach? What are specific advantages and disadvantages of this strategy?(1 pt.) What are some of the strengths of the evaluation? What do you see as some of the limitations? Why?(1 pt.) Evaluate the part of the evaluation that was conducted as a research project. How confident can you be of the results reported?Link to resources1. https://www.childtrends.org/?programs=all4you2. ALL4YOU! A RANDOMIZED TRIAL OF AN HIV, OTHER STDs, AND PREGNANCY PREVENTION INTERVENTION FOR ALTERNATIVE SCHOOL STUDENTSKarin K. Coyle, Douglas B. Kirby, Leah E. Robin,Stephen W. Banspach, Elizabeth Baumler, and Jill R. GlassmanAssignment 4- APPLICATION 5RESEARCH DESIGNSBegin by reading the New York Times article, The Moral Life of Babies . Reading the article first is important. Then answer each of the five questions below, each worth a maximum of one point:Briefly describe the study design.How consistent or inconsistent is it with a within-subjects experimental design?Could the study be changed to be a true within-subjects experimental design and answer the same research questions? What might be some of the challenges in using this kind of design?