Basic Elements of Research, Exposure, and …

Basic Elements of research , exposure , and OutcomeAssessmentLEARNING OBJECTIVESA fter completing this chapter, you should be able between a research problem, a research question, and variable and distinguish between dependent and independ-ent the primary types of direct and indirect methods of exposure and 10/11/07 2:13 PM Page 27 Jones and Bartlett Publishers. NOT FOR SALE OR DISTRIBUTIONI ntroductionIn epidemiologic research , once the health problem has been empirically estab-lished, an investigation follows, employing scientific reasoning and methods. Thescientific method involves beginning with information or data obtained throughobservation of the phenomenon of interest. Hypotheses are formed and then testedby further observation or experimentation. Significant results then provide an im-portant piece of evidence used in causal inference. The scientific method is in-tended to define, classify, or categorize events and their relationships with potentialcauses; identify causal associations; provide a basis for predicting the effects of cer-tain exposures; and use this information to prevent and control health to the investigation, the researcher develops a statement of the researchproblem and identifies appropriate variables, data, and hypotheses.

Basic Elements of Research, Exposure, and Outcome Assessment LEARNING OBJECTIVES After completing this chapter, you should be able to: 1. Distinguish between a research problem, a research question, and a

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  Research, Assessment, Basics, Outcome, Elements, Exposure, Basic elements of research, And outcome assessment

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