NR 449
NR 449 Quiz 3 Study Guide Questions
and Answers 2025
Convenience Sampling
sampling strategy when a researcher selects subjects that are easily accessible to
participate in a study
Convenience Sampling
a nonprobility method of selecting a sample that includes subjects who are
conveniently available to the reseracher.
Bracketing
a term used to control bias. A method of limiting the effects of researcher bias and
setting them aside by demonstrating awareness of potential suppositions of the
researcher.
Audit trail
Detailed documentation of sources of information, data, and design decisions
related to a qualitative research study.
Triangulaton
NR 449
, NR 449
A means of enhancing credibility by cross-checking information and conclusions,
using multiple data sources, using multiple research methods or researchers to
study the phenomenon, or using multiple theories and perspectives to help interpret
the data.
attrition
A threat to internal validity resulting from loss of subjects during a study.
bar chart
A graphic presentation for nominal or ordinal data that represents the categories on
the horizontal axis and frequency on the vertical axis.
mean, median, and mode
Measures of central tendency,
mean
is commonly called the average. This number is calculated by adding all scores in
the data set and dividing the sum by the number of scores in the data set. The
average; a measure of central tendency.
median
A measure of central tendency that is the exact midpoint of the numbers of the data
set.
NR 449
NR 449 Quiz 3 Study Guide Questions
and Answers 2025
Convenience Sampling
sampling strategy when a researcher selects subjects that are easily accessible to
participate in a study
Convenience Sampling
a nonprobility method of selecting a sample that includes subjects who are
conveniently available to the reseracher.
Bracketing
a term used to control bias. A method of limiting the effects of researcher bias and
setting them aside by demonstrating awareness of potential suppositions of the
researcher.
Audit trail
Detailed documentation of sources of information, data, and design decisions
related to a qualitative research study.
Triangulaton
NR 449
, NR 449
A means of enhancing credibility by cross-checking information and conclusions,
using multiple data sources, using multiple research methods or researchers to
study the phenomenon, or using multiple theories and perspectives to help interpret
the data.
attrition
A threat to internal validity resulting from loss of subjects during a study.
bar chart
A graphic presentation for nominal or ordinal data that represents the categories on
the horizontal axis and frequency on the vertical axis.
mean, median, and mode
Measures of central tendency,
mean
is commonly called the average. This number is calculated by adding all scores in
the data set and dividing the sum by the number of scores in the data set. The
average; a measure of central tendency.
median
A measure of central tendency that is the exact midpoint of the numbers of the data
set.
NR 449
