research instruments

Jul 11th, 2016
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Arnot Ogden Medical Center School of Radiologic Technology
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research instruments are well explained

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RESEARCH INSTRUMENTS7TH MARCH. 2014 Objective: To discuss types of research instruments, their development,their advantages and disadvantages.Outline of presentation Def. R. instruments, Types of R. instruments Def. of questionnaire & objectives Why use a questionnaire? Types of questions used in questionnaires:Structured or close-ended, Unstructured or open-ended, Contingency,or Matrix. Scales used in questionnairesRESEARCH INSTRUMENTSWhat are Research Instruments?Research Instruments are measurementtools (e.g. questionnaires or scales)designed to obtain data on a topic of interestfrom research subjects.RESEARCH INSTRUMENTS cont..These include:A.B.C.D.QuestionnairesInterview schedulesObservational formsStandardized tests.A. QUESTIONNAIRESWhat is a Questionnaire? A set of questions designed to generate the statisticalinformation from a specific demographic group needed toaccomplish the research objectives. Questionnaires are commonly used to obtain importantinformation about the population. Each item in thequestionnaire is developed to address a specific objective,research question or hypothesis of the study. The researchermust know how information obtained from each questionnaireitem will be analyzed.ObjectivesTo understand:Objectives of questionnairesAdvantages and disadvantagesDesign of questionnairesType of questions usedCommon problems and pitfalls5Why use a question

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