LSUS MHA Informatics- Exam 5 latest actual questions with accurate expert solutions + rationales ( LATEST RELEASE )

(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?

1. Determine the literature to review.

2. Identify, categorize, organize, and obtain the literature.

3. Analyze the research questions, methods, and results presented in the literature.

4. Synthesize the information in the literature.

What state does most data reside within text files?

Unstructured data

(T/F) Even though KDD can be complex, this process tends to yield a potent knowledge representation. As analytics evolve, KDD will almost certainly become easier to use, more efficient, and more effective in facilitating data mining in health care.

True

Within Research Methods, there are two types of secondary analysis: _______________ and ______________.

Data mining, Meta-analysis

(T/F) Data mining is concerned with extracting what is needed and enumeration of patterns from data using algorithms, and it applies statistics so that organizations can gain an advantage by manipulating information for practical applications.

True

What are the ways knowledge discovery from data mining can improve healthcare?

All answers are correct choices

a. Disease prevention

b. Policymaking

c. Disease detection

d. Medical errors reduction

(T/F) Ethnography is observational research that came to the life sciences from anthropology. It includes both qualitative and quantitative approaches and both participant and nonparticipant observation

True

Within the Techniques for Quantitative Data Analysis, there are five different types of data used in the choices of statistical technique. Which of the following is not one of the five types of data used in choices of statistical technique?

Big Data

Within Research methodology and Data Mining Concepts, what subset of artificial intelligence enables computers to learn inductively or deductively?

Machine Learning

(T/F) The acronym SEMMA - sample, explore, modify, model, assess - refers to the core process of conducting data mining.

True

The general term of Data Sampling with population ___________

Is the process of selecting the units to represent the target population

Methods of data cleansing includes

All answers are correct

a. Finding duplications

b. Identifying outliers

c. Checking internal consistency

Within Research Methods, Secondary Analysis

Is the analysis of the original work of another person or organization

(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