Transcript Chapter 5, ASA Readings

SECTION 5.1 –
ASA READINGS
CHAPTER 1 WHAT IS A SURVEY
1.
What is the purpose of a survey?
A.
2.
What is a typical sample size for well-known
national polls?
A.
3.
The purpose of a survey is to gather information on
preferences, needs, and behaviors.
The typical sample size for well-known national
polls is 1000.
Give three ways data collection can occur with
survey.
Mail
B. Telephone
C. Internet
D. In-person
A.
CHAPTER 1 WHAT IS A SURVEY
4.
What is the difference between an open-ended
and closed question? Give an example of each.
A.
B.
5.
Open-ended: no options given (list the sports you
play)
Closed: options given (check off all sports you play
from this list)
What is the prime concern of all reputable
survey organizations? How can you address
this concern with our class surveys?
A.
A prime concern of survey organizations is
confidentiality of data, this can be address by
making surveys anonymous.
CHAPTER 2 HOW TO PLAN A SURVEY
1.
What is the first step in planning a survey?
A.
2.
Why is it important for key concepts to be
defined in questions on a survey?
A.
3.
The first step in planning a survey is to determine
the objectives of the survey.
Key concepts need to be defined in questions so
everyone interprets the question the same, if this is
not done, results can be misleading.
What can occur if a questionnaire is too long?
A.
If a questionnaire is too long, subjects can become
fatigued, this will lead to not answering questions,
or randomly writing answers.
CHAPTER 2 HOW TO PLAN A SURVEY
4.
What is a “sampling frame”?
A.
5.
A sampling frame is a list of all the members of a
population.
What is “random digit dialing”? If random digit
dialing is used to colloect data, will any subsets
of the US population be under-represented?
A.
Random digit dialing is sampling from a frame of all
possible telephone numbers. Households without
phones will be under-represented in this type of
sampling.
CHAPTER 2 HOW TO PLAN A SURVEY
6.
Give at least two examples of how to “plan in”
quality into a survey.
Don’t require people to remember to far into their
past.
B. Give respondents a range of values to choose from.
C. Pretest your survey questions.
D. Allow enough time.
E. Accurately code data.
A.
CHAPTER 3 HOW TO COLLECT DATA
1.
In what ways has technology changed the way
data is collected with a survey?
A.
2.
What are some “back-end” processing steps that
need to be done before data analysis can begin?
A.
3.
Technology has changed the way data is collected
with a survey, by collecting directly to a computer.
Some back-end processing steps that need to be
done before data analysis can begin are coding and
determining how to deal with missing data.
What is often the best way to start data
analysis?
A.
The best way to start data analysis is to look at
simple counts and percentages.
CHAPTER 3 HOW TO COLLECT DATA
4.
Why is pre-testing a questionnaire important?
A.
5.
How can failing to follow up on non-respondents
affect your results?
A.
6.
Pre-testing a questionnaire is important, because it
will allow one to see if any questions are
misunderstood, or if a question will produce bias.
Failing to follow up on non-respondents can cause
some groups to be under represented.
What is Murphy’s Law?
A.
Murphy’s Law is, if anything can go wrong, it will.
CHAPTER 6 DESIGNING A QUESTIONNAIRE
1.
What do many experienced questionnaire
designers do before they create their
questionnaires?
A.
2.
Experienced questionnaire designers determine
their goals before they create their questionnaires.
What does “operationalize a variable” mean?
Give an example.
A.
To operationalize a variable is to define specifically
what is meant by a term like, “eating habit” or
“smoke regularly”.
CHAPTER 6 DESIGNING A QUESTIONNAIRE
3.
Name 3 things that make a question difficult to
answer.
Asking questions that subjects have to think about.
B. Asking for details that subjects do not know.
C. Using common words that subjects have different
definitions too.
D. Asking for information that is sensitive to subjects.
A.
4.
What grade reading level is recommended for
questions on a questionnaire?
A.
The reading level recommended for a questionnaire
is the 5th grade.
CHAPTER 6 DESIGNING A QUESTIONNAIRE
5.
Besides the questions, what should be included
on a questionnaire?
A.
6.
What is meant by “order effects”? Give an
example.
A.
7.
Besides the questions that are being asked, a
questionnaire should include a brief intro of why
the survey is being done and a thank you
statement.
Order effects, are the effects that can take place by
the ordering of questions. Ex: What do you think is
bad about smoking? Followed by, do you like
smokers?
What is the KISS Principle?
A.
Keep It Simple Statistician