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Chapter_6-Research_Problems__Questions__and_Hypotheses
Typology: Exams
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Research Problems – Chapter 6 Notes I. Introduction A. Question to answer or problem to solve B. Initially – broad and vague C. Must be refined so it can be subject to empirical investigation D. Guides the direction of the research design E. Paradigm suited to the research problem F. Basic terms Table 6.1 on pg. 113 illustrates these terms F..a Research problem-“perplexing or troubling condition” F..b Problem statement F..c (^) Research question-specific questions to answer in addressing the research problem F..d Statement of purpose-summary of the overall goal II. Where to find a problem – tricky for beginners however it is critical because it forms the basis of the rest of your project A. Experience – prob. in practice that remain unsolved B. Nursing literature
D. Theories – arises from research as well as provides a source of problems for research
Definition: Hypothesis is a tentative prediction or explanation of the relationship between 2 or more variables Turns problem statement into a prediction of expected outcomes The hypothesis (not the problem statement) is empirically used Is developed before the study is conducted because its purpose it to guide the study hypothesis leads the researcher to the research design, and to collection and analysis of data (They are much like the goals that you state in your NCPs. Just as well developed goals guide your plan of care and evaluation of outcomes, the hypothesis guides your research plan and the evaluation of its results.) Review – Steps of Research Process
C. Types of Hypotheses
a. Simple hypothesis contains one independent variable and one dependent variable b. Complex (multivariate) hypothesis predicts the relationship between 3 or more variables
a. Directional tells the reader the direction of the relationship between the two variables = more specific about the nature of the relationship b. Non-Directional Hypothesis do not specify the nature of the relationship between the variables “there is a relationship between the use of family planning education and the rate of teenage pregnancy” Generally, the directional hypothesis is preferred. The development of a directional hypothesis forces the researcher to think critically. For your projects, develop a directional hypothesis.
a. Research hypothesis = statement of relationship between variables (We have been describing research hypothesis all through this discussion.) b. Statistical Hypothesis (or Null Hypothesis) states that there is no relationship between the variables This in contrary to our definition and null hypotheses are not used much in nursing. Research hypothesis are better for our purpose.
D. Summary