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ACTUAL HCAD 750 EXAM 5; Louisiana State University Questions and Answers
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(T/F) The term "knowledge discovery" is key, as data mining looks at data from different vantage points, aspects, and perspectives and brings new insights to the data set. True (T/F) As defined by Gene Glass, the term meta-analysis is "the statistical analysis of a large collection of results from individual studies for the purpose of integrating findings." True According to AHIMA's model, which of the following is not a characteristic of Data Quality Cleanness Which data mining model uses the organization's same business model, but makes improvements by simply thinking differently? Six sigma Which of the following are phases of data mining? All answers are correct choices a. Discovery of patterns b. Exploration of data c. Applying knowledge d. Identification of problems A literature review... Is a systematic and critical investigation of the important information about a topic Which data mining concept identifies a variable by exposing more data? Drill down When working with data, ___________ is key, as data mining looks at the data from different vantage points, aspects, and perspectives and brings new insights to the data set. Knowledge discovery (T/F) Health care does not generate big data
False Much of our ___________ is unstructured and resides in text files representing more than 75% of an organization's data. Because this data is not contained in databases, it can be easily overlooked, even though what it contains can provide meaningful insights. Big Data What is possible because data mining looks at the data from different vantage points, aspects, and perspectives, and brings new insights to the data set? Knowledge discovery Which of the following apply to big data? Resides as unstructured and semi-structured forms We must not only be able to extract meaningful information and knowledge, but also to ______ and ________ what we are learning and the new knowledge we are generating. Share, disseminate (T/F) Within selection of research methods, Interrater reliability means that different persons taking the test will have reasonably similar findings True (T/F) Big data is the process of using software to sort through data to discover patterns and ascertain or establish relationships False The healthcare organization engaged in data mining has violated HIPPA laws when Patient data has not been de-identified When we extract meaningful information and knowledge from our databases, what do we also want to be able to do with what we are learning, the new knowledge we are generating? Share and disseminate There are three types of validity, which involves the integrity of the research plan. Internal validity
Is an attribute of a study's design that contributes to the accuracy of its findings In the correct order, what are the four steps in the process of a literature review?
(T/F) According to Adequacy of the Sample Size, Heterogeneity means variation or diversity. The more heterogeneous a population, the larger the sample. True (T/F) Some researchers note that data cleansing can consume 80 percent of the time of data mining False What is a data driven method to eliminate defects, wastes, or assess quality control issues, that is aimed at decreasing disparities in a business and manufacturing process through dedicated improvements? Six Sigma (T/F) Exploratory data analysis (EDA) is an approach or philosophy that uses mainly graphical techniques to gain insight into a data set. True