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Return to Explorations: Conducting Empirical Research in Canadian Political Science 4e Student Resources
Chapter 5 Self-Grading Quizzes
Populations of Study
Quiz Content
*
not completed
.
______ is
not
a relevant factor to consider when identifying a population for a study.
Unit of analysis
correct
incorrect
The researcher's background
correct
incorrect
Geographic location
correct
incorrect
Time period
correct
incorrect
*
not completed
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One of the major goals of your research is that it should be portable, which means _________.
the same project can be conducted in another context
correct
incorrect
the analysis is conducted using public data
correct
incorrect
the results can be applied in another context
correct
incorrect
other researchers can understand your methodology
correct
incorrect
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Because it is usually not feasible to include every case in the ___________, most researchers focus on studying a _______________.
population; parameter
correct
incorrect
sample; population
correct
incorrect
census; unit of analysis
correct
incorrect
population; sample
correct
incorrect
*
not completed
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In order to maximize how much you can generalize from your findings, you should strive to make your sample _____________.
stratified
correct
incorrect
representative
correct
incorrect
self-selected
correct
incorrect
small
correct
incorrect
*
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.
Large sample sizes are good for increasing ________________.
the closeness of the sample statistic to the population parameter
correct
incorrect
accuracy when your population is very heterogenous
correct
incorrect
statistical power when including a lot of variables
correct
incorrect
All of the above
correct
incorrect
*
not completed
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The formula P(A)=r/n is used to calculate _________________.
the probability of an outcome
correct
incorrect
the statistical effect size
correct
incorrect
the margin of error
correct
incorrect
the sample size
correct
incorrect
*
not completed
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The most basic form of probability sampling is called:
Cluster sampling
correct
incorrect
Stratified sampling
correct
incorrect
Purposive sampling
correct
incorrect
Simple random sampling
correct
incorrect
*
not completed
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______ involves breaking the population into mutually exclusive subgroups and then randomly sampling from each group.
Stratified random sampling
correct
incorrect
Purposive sampling
correct
incorrect
Cluster sampling
correct
incorrect
Snowball sampling
correct
incorrect
*
not completed
.
Which of these is a non-probability sampling method?
Snowball sampling
correct
incorrect
Simple random sampling
correct
incorrect
Cluster sampling
correct
incorrect
Stratified random sampling
correct
incorrect
*
not completed
.
Which of these is true about a convenience sample?
They are a random sample in the statistical sense.
correct
incorrect
They are not affected by self-selection bias.
correct
incorrect
They are sometimes used when they are the only or easiest way to gather data.
correct
incorrect
You can easily describe their representativeness.
correct
incorrect
*
not completed
.
Using a representative sample makes it more likely that your sample statistic will be representative of the population parameter.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
Random sampling means that each potential case has an equal likelihood of being chosen.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
The following formula is used to calculate the probability of a single event:
P
(
A
) =
r
/
n
, where
P
(
A
) is the probability of event
A
,
r
is the number of favourable outcomes, and
n
is the number of total outcomes.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
There is no law of diminishing returns with regards to sample size and margin of error.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
Stratified random sampling involves randomly choosing clusters of cases and using those as the focus of your study.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
Quantitative researchers are more likely to use non-probability sampling techniques.
True
correct
incorrect
False
correct
incorrect
*
not completed
.
Self-selection for participation in a research study can bias the sample results.
True
correct
incorrect
False
correct
incorrect
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