Exam (elaborations)
Chapter 11 Selecting a Quantitative Research Design
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- Nursing research
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- University Of Kansas School Of Pharmacy
Chapter 11 Selecting a Quantitative Research Design
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Chapter 11: Selecting a Quantitative Research DesignTest Bank
MULTIPLE CHOICE
1. How does a comparative descriptive design differ from a typical descriptive design?
a. It compares statistics between the current time and an earlier time, whereas the typical
descriptive design focuses on only one time period.
b. It compares a number of variables and examines the relationship between them, whereas a
typical descriptive design never does this.
c. It differs in name only; both have the same design.
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d. It describes data from two different groups, whereas a typical descriptive design focuses on a
single group.
ANS: D
The commonly used descriptive study design examines characteristics of a single sample. It
identifies a phenomenon of interest and the variables within the phenomenon, develops
conceptual and operational definitions of the variables, and describes the variables. The
comparative descriptive design examines and describes differences in variables in two or
more groups that occur naturally in the setting. Descriptive statistics and inferential statistical
analyses may be used to examine differences between or among groups.
DIF: Cognitive Level: Analysis REF: Page 216
2. Why is the threat of subject attrition more problematic in longitudinal designs than in other
types of descriptive research?
a. Subjects are elderly.
b. Data analysis is complex, and missing data points necessitate dropping the subject from the
analysis.
c. Data collection occurs over a much longer period of time.
d. There is selection bias because of the study requirements.
ANS: C
Longitudinal designs examine changes in the same subjects over time. They are expensive
and require a long period of researcher and subject commitment. Measurement must be
carefully planned and implemented, because the measures will be used repeatedly over time.
There is often a bias in selection of subjects because of the requirement for a long-term
commitment.
In addition, loss of subjects (attrition—subject quits participating in the study) can be high
and can decrease the validity of findings.
DIF: Cognitive Level: Analysis REF: Page 219
, 3. What do cross-sectional designs, trend designs, and event-partitioning designs have in
common?
a. They all study subjects at one time.
b. They all focus on change over time.
c. They all involve data collection over months or year.
d. They are identical to longitudinal designs.
ANS: B
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