What is a purpose statement in research

CHAPTER SIX (toc1.html#c06a)

The Purpose Statement (toc1.html#c06a)

he last section of an introduction, as mentioned in Chapter 5 (c05.html) , is to present a purpose statement (http://content.thuzelearning.com/books/Creswell.7641.17.1/sections/gls#s58) that establishes the intent of the entire research study. It is the most important statement in the entire study, and it needs to be clear, specific,

and informative. From it, all other aspects of the research follow, and readers will be lost unless it is carefully drafted. In journal articles, researchers write the purpose statement into introductions as the final statement; in theses and dissertations, it often stands as a separate section.

In this chapter devoted exclusively to the purpose statement, I address the reasons for developing it, key principles to use in its design, and examples of good models in crafting one for your proposal.

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6.1 SIGNIFICANCE AND MEANING OF A PURPOSE STATEMENT (toc2.html#s86a)

According to Locke, Spirduso, and Silverman (2013), the purpose statement indicates why you want to do the study and what you intend to accomplish. Unfortunately, proposal-writing texts give little attention to the purpose statement, and writers on method often incorporate it into discussions about other topics, such as specifying research questions or hypotheses. Wilkinson (1991), for example, refers to it within the context of the research question and objective. Other authors frame it as an aspect of the research problem (Castetter & Heisler, 1977). Closely examining their discussions, however, indicates that they both refer to the purpose statement as the central, controlling idea in a study.

This passage is called the purpose statement because it conveys the overall intent of a proposed study in a sentence or several sentences. In proposals, researchers need to distinguish clearly between the purpose statement, the research problem, and the research questions. The purpose statement sets forth the intent of the study, not the problem or issue leading to a need for the study (see Chapter 5 (c05.html) ). The purpose is also not the research questions—those questions that the data collection will attempt to answer (discussed in Chapter 7 (c07.html) ). Instead and again, the purpose statement sets the objectives, the intent, or the major idea of a proposal or a study. This idea builds on a need (the problem) and is refined into specific questions (the research questions).

Given the importance of the purpose statement, it is helpful to set it apart from other aspects of the proposal or study and to frame it as a single sentence or paragraph that readers can identify easily. Although qualitative, quantitative, and mixed methods purpose statements share similar topics, each is identified in the following paragraphs and illustrated with fill-in scripts for constructing a thorough but manageable purpose statement.

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A Qualitative Purpose Statement (toc2.html#s87a)

Good qualitative purpose statements (http://content.thuzelearning.com/books/Creswell.7641.17.1/sections/gls#s66) contain information about the central phenomenon (http://content.thuzelearning.com/books/Creswell.7641.17.1/sections/gls#s5) explored in the study, the participants in the study, and the research site. It also conveys an emerging design and uses research words drawn from the language of qualitative inquiry (Schwandt, 2007). Thus, one might consider several basic design features for writing this statement:

• Use words such as purpose, intent, or objective to signal attention to this statement as the central controlling idea. Set the statement off as a separate sentence or paragraph, and use the language of research, such as “The purpose (or intent or objective) of this study is (was) (will be) …” Researchers often use the present or past verb tense in journal articles and dissertations and the future tense in proposals because researchers are presenting a proposal for a study not yet undertaken.