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A research hypothesis:defines the theoretical framework for the studyis used to determine relationships in a studypredicts the expected results or outcomes of the studyclarifies the gap in the literature in the studyNursing students in a research course are learning about problem statements. To be considered researchable, a problem must:be a clear, concise statement of the specific goal or focus of the study.be clearly defined as the gap in knowledge.deal with patient outcomes rather than social issues.include an ethical dimension.A nursing student is reading a study with an experimental research design. Which one of the following is a necessary requirement for experimental designs?A nursing student is planning to conduct a review of the literature for a research study. One of the main purposes of conducting a review of the literature is to:
Which of the following study designs focuses on finding a cause and effect relationship among variables, but uses a lower level of control?A conceptual definition of a variable isalso considered to be the intervention.the systematic investigation of relationship.defined in the review of literature.influencing the selection of the sample.