BESC 3020 Exam 3 Questions with All Correct Answers
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BESC 3020
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BESC 3020
BESC 3020 Exam 3 Questions with All Correct Answers
What is statistical significance? - Answer-A general term referring to the likelihood or probability that relationships observed in a sample could be attributed to or due to sampling error alone.
Identify the common used tests of statistical...
BESC 3020 Exam 3 Questions with
All Correct Answers
What is statistical significance? - Answer-A general term referring to the likelihood or
probability that relationships observed in a sample could be attributed to or due to
sampling error alone.
Identify the common used tests of statistical significance and their key differences. -
Answer-Chi Test: A commonly used test of statistical significance when both the
independent and dependent variables are nominal or ordinal variables.
t-test: A statistical test for determining the statistical significance in group means.
How to interpret significance level? - Answer-Conventional levels translate to
percentage of confidence and the interval of that confidence.
How to calculate degrees of freedom in tests of statistical significance? - Answer-The
number of rows in the table of observed frequencies, minus 1, is multi- plied by the
number of columns, minus 1. This may be written as (r 2 1)(c 2 1). For a three-by- three
table, then, there are four degrees of free- dom: (3 2 1)(3 2 1) 5 (2)(2) 5 4.
What is Geographic Information Systems? - Answer-Use maps to illustrate and describe
the distribution of important aggregate data.
What is the uses of abstract? - Answer-Short summary of your paper. The appetizer
Identify the steps in a typical research report. - Answer-1. Purpose and overview
2.Review of the literature 3, Avoid plagiarism 4. Study design and execution 5. Analysis
and Interpretation 6. Summary and conclusion so
How to read a research report? - Answer-1. Theoretical orientation 2. Research design
3. Measurement 4. Sampling 5. Experiments 6. Survey Research 7. Field Research 8.
Content analysis 9. Analyzing existing data 10. Comparative and historical research 11.
Evaluation research 12. Data analysis 13. Reporting
In evaluating a research report, which factors are important? - Answer-
When evaluating the sampling methodology of a research report, which factors are
important? - Answer-What was the particular sampling strategy employed (probability
versus non-probability sampling). It is also important to identify the specific population
as well and the size of the sample.
, In evaluating the quality of internet information, which factors are important? - Answer-
Authors of the work, how it references prior research, whether or not the data re from
official sources like the government or authority.
Define and find examples of qualitative analysis. - Answer-The non-numerical
examination and interpretation of data collected.
Ex: Discover patters. Certain people tend to do certain things, what is behind their
behavior?
What is the goal of qualitative data analysis? - Answer-The data collected are qualitative
and cannot be easily transformed into numerical data.
Explain grounded theory from data. - Answer-A systematic qualitative research
methodology in the social sciences emphasizing generation of theory from data.
Define and find example of concept mapping. - Answer-Graphically representing the
concepts int he data as well as the way in which concepts can be linked to one another.
Uses diagrams to explore relationships in the data graphically.
Ex: Housing and economic cycle.
Vietnam-Sexual revolution-erosion of traditional marriage.
What are the coding units in qualitative data analysis? - Answer-May vary within a
document. Typically not the actual units of analysis. but rather are the concepts of
interest.
Why qualitative data analysis poses more ethical concerns than quantitative data
analysis? - Answer-Adds a challenge to avoid bias in the interpretation of data since the
qualitative analysis will know the the identity of subjects. Requires special care.
Define quantitative analysis. - Answer-Involves the techniques by which researchers
convert data to numerical forms and subject them to statistical analyses. In other words,
quantitative analysis is statistical analysis.
What is the quantification or reduction of data? - Answer-Involves coding data into
numbers. Once data are coded into numbers their volume is reduced dramatically.
Ex: 31 mins in
What is the utility or purpose of univariate analysis? - Answer-Its purpose is descriptive
rather than explanatory.
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