Research Design|Verified Questions Complete with A+
Graded Rationales Latest Updated 2026
__________ is the entire set of subjects who are of interest to the researcher. __________ is
the population that the researcher will actually study.
Target population
Sample
What type of sampling strategy is used when a researcher selects subjects that are easily
accessible to participate in a study?
Convenience sampling
What is the mathematical process to determine an adequate sample size in quantitative
research?
Power analysis
Which statements best describe this research study? Select all that apply.
The study is longitudinal.
The study uses quantitative research design.
The study is experimental.
For each criterion listed, indicate if it was used as an inclusion or exclusion criterion in the study.
Inclusion:
Ages 18-85
Presence of an indwelling urinary catheter
No recent application of lotion or ointments
No diagnosis of diabetes mellitus
Braden score 18 or below
Exclusion:
Quadriplegic or paraplegic
Prescribed complete bed rest
Impending transfer out of ICU
Based on the information in Table 1 on page 339 and the demographic and clinical
characteristics of the study group (Borzou et al., 2020, p. 339):
, More __________ participated in the study.
Clients with __________ are equally distributed across all three groups.
The mean age across all three groups was __________.
Males
Cognitive impairment
Similar
Which characteristics of sampling must be present to ensure that a sample is representative of
the target population in quantitative research? Select all that apply.
Random selection
Independence
Probability sampling
For each statement listed, indicate if it is true or false based on analysis of the research article.
True:
A convenience sample of subjects was used.
The actual sample size was 108 clients.
There were two intervention groups: almond oil and control.
Sampling bias was controlled by randomizing subjects into groups.
Thirty subjects started the study but did not complete it (attrition).
False:
Probability sampling was used in this study.
Power analysis determined that 108 subjects would provide a power of 80% ( ß= .80).
Saturation was documented by the researcher.
Which statements best describe this research study? Select all that apply.
The data collected is through interviews.
The study is descriptive.
For each criterion listed, click to specify if Skagerstrom et al. (2017) used it or did not use it to
recruit and select the best informants to inform the question.
Used:
The informants were recruited from one of five healthcare units.
The initial request for participation was sent to the manager of the unit.