Identify a research topic and write a lead sentence(s) that can serve as a narrative hook that reflects the tips offered in the text for designing the opening paragraph. Describe the five components of writing a social science deficiency model of writing a good introduction. What constitutes a deficiency in past literature? Explain the triangle image and provide an example of a literature triangle for a doctoral project using preexisting data. Create a rationale for the importance and significance of a proposed study.