Module 2 Statistical Reasoning And Research Methods Questions Help 20 question quiz. The questions are uploaded. Research methods: 1. Seven critical com

Module 2 Statistical Reasoning And Research Methods Questions Help 20 question quiz. The questions are uploaded.

Research methods:

1. Seven critical components to a good news report

2. Measurements, mistakes, and misunderstandings

3. How to get a good sample

4. Experiements and Observational Studies.

~Readings: Chapters, 2, 3, 4, and 5 The questions are structured so that a single letter, word, or number will suffice. Computational
questions are arranged so that partial credit can be given for each step answered correctly.
Always use the following model to submit your answers to the questions.
EXAMPLE:
Your name:
Module Number:
Answers
Q1 C
Q2 B
Q3 A, etc.
If the question requires computation, do the calculations and then give the correct
values as follows:
(Always hold all decimal values through your computations, and round final
answers to at least two decimal places)!
Q4 7
Q5 4
Q6 22, etc.
If the question is a fill in the blank, just put in the appropriate word(s) as follows:
Q7 statistics
Q8 dependent variable, etc.
The following 4 questions (Q1 to Q4) are based on the following article:
PER CAPITA INCOME OF U.S. SPRINKS RELATIVE TO OTHER COUNTRIES (from
UTTS, 2005, page 24)
An independent research group, the Institute for Foreign Investment, has noted that the
per capita income of Americans has been shrinking relative to some other countries. Using per
capita income figures from the World Almanac and exchange rates from last Friday’s financial
pages, the organization warned that per capita income for the United States has risen only 10%
during the past 5 years, whereas per capita income for certain other countries has risen 50%. The
researchers concluded that more foreign investment should be allowed in the United States to
bolster the sagging economy.
Use the following system to answer Q1 to Q4:
B. Component
C. Component
A. Component Error! Bookmark not defined.
3
3
D. Component 4
E. Component 5
F. Component 6
G. Component 7
Q1: What is one of the three components that (according to Utts) was BOTH relevant and
NOT properly discussed within the article?
Q2: What is the second of the three components that (according to Utts) was BOTH relevant
and NOT properly discussed within the article?
Q3: What is the third of the three components that (according to Utts) was BOTH relevant
and NOT properly discussed within the article?
Q4:
According to Utts, which of the components was considered a ‘major problem’?
For the following 3 questions (Q5 to Q7) identify which one of the seven pitfalls when
asking a question applies to each of the following potential survey questions.
Use the following system:
A. Deliberate bias
B. Unintentional bias
C.
D.
E.
F.
G.
Q5:
Desire to please
Asking the uninformed
Unnecessary complexity
Ordering of questions
Confidentiality and anonymity
Do you use drugs?
Q6: Don’t you think that Ohio University students shouldn’t receive consequences from the
university for illegal behavior that doesn’t occur on campus?
Q7: Do you agree that this huge win tonight has to be the biggest win of your 25-year
collegiate coaching career?
Q8: “Please list the most important factors associated with academic success here at Ohio
University”. This is an example of
A. an open-ended question/statement
B. a closed-ended question/statement
C. a common pitfall when asking survey questions/statements D. deliberate bias
Q9: A survey was conducted with 900 Ohio University students. One of the conclusions from
this survey was that 55% of the students believed the academics at Ohio University were ‘very
strong’. Based on these sample results, are you convinced that a majority (i.e. over 50%) of all
students believe the academics are ‘very strong’?
A. No
B. Yes
Q10: ___________ refers to unpredictable errors or discrepancies that are not easily explained.
A. Reliability
B. Validity
C. Bias
D. Variability
Q11: A professor’s weight scale is always 10 pounds too light. Which of the following best
describes the scale’s measurements of weight?
A. unreliable
B. variability
C. biased
D. validity
For the following 4 situations (Q12 to Q15) identify which sampling method should be
utilized by the researcher.
Use the following system:
A. simple random sampling
B. systematic random sampling
C. cluster sampling
D. stratified sampling
E. random digit dialing
F. multistage sampling
Q12: In a survey of Athens county voters, a researcher divides her sampling frame into age
brackets (e.g., 18-35, 36-50, 51-75, etc.) and randomly samples 100 individuals from each age
bracket.
Q13: United Airlines wants to investigate customer satisfaction from their passengers. Therefore,
the researchers for United divided the country into 4 regions; the West, the Midwest, the South,
and the East. Random samples of 3 specific flights were chosen in each region and every
passenger on those flights was asked to complete a satisfaction questionnaire.
Q14: A researcher was interested in researching the volunteer hours of sorority sisters at Ohio
University. She obtains a list of all 14 sororities. From the list she selects 5 sororities and
samples everybody in each of those 5 sororities.
Q15: Ohio University wants to investigate satisfaction for freshmen students at the end of their
first year of classes. Therefore, the university uses a computer and selects every 10th student from
an alphabetical list of approximately 4000 names.
The following 5 questions (Q16 to Q20) are either “True” or “False”
Q16: ‘Experiments’ measure the effect of manipulating the environment in some way—then
measure the result on the feature being manipulated on an outcome.
Q17: A ‘meta-analysis’ is an in-depth examination of one or a small number of individuals.
Q18: ‘Case studies’ are used to make inferences about larger populations.
Q19: A ‘census’ is a survey in which the entire population is measured.
Q20: UTTS considers ‘Getting a volunteer sample’ a “difficulty in sampling”.

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