NURSING RESEARCH IN CANADA
COMPREHENSIVE EXAMINATION TEST
2026 CERTIFICATION EVALUATION
RESEARCH METHODOLOGY PRACTICE
BANK
◉ Chapter 13
Answer:
◉ Which of the following is the process of selecting representative
units of a population for a research investigation?
a. Sampling
b. Snowballing
c. Delimitation
d. Random assignment
Answer: a. Sampling
◉ How should a nurse researcher expect a sample to differ from a
population?
,a. A sample can be an object or an event; a population refers to
individuals or
groups of people.
b. A population has a broad set of defining characteristics, whereas a
sample has a
narrow set of defining characteristics.
c. A population is a representative segment of a defined sample.
d. A sample is a representative segment of a defined population.
Answer: d. A sample is a representative segment of a defined
population.
◉ A nurse researcher has made a generalization on the basis of the
experience of a small number of participants. What will the result of
this be?
a. Small samples invalidate hypotheses.
b. The researcher may be unable to eliminate his or her bias.
c. Data obtained from a small number may represent the
phenomenon inadequately.
d. Small samples increase historical threats to internal validity.
Answer: c. Data obtained from a small number may represent the
phenomenon inadequately.
,◉ Which of the following statements best identifies the sample
descriptors that form the basis for eligibility criteria in sample
selection?
a. A sample of 1,000 practising nurses in a selected state was
surveyed.
b. The sample consisted of 267 Canadian girls and American girls
who lived in
urban areas in their respective countries.
c. The sample consisted of 40 men between the ages of 20 and 55
who were treated
for burn injuries during the past decade at a specialized burn unit.
d. The sample consisted of 57 hospital nurse executives and 178
staff registered
nurses employed in Ontario.
Answer: c. The sample consisted of 40 men between the ages of 20
and 55 who were treated for burn injuries during the past decade at
a specialized burn unit.
◉ Which of the following statements about inclusion and exclusion
criteria is true?
a. These criteria are not needed when the sample being studied is
composed of
, events.
b. These criteria serve to ensure that the characteristics of the
sample and the
population are congruent.
c. Inclusion criteria are used to define independent variables, and
exclusion criteria
are used to define dependent variables.
d. Inclusion criteria are used to define dependent variables, and
exclusion criteria
are used to define independent variables.
Answer: b. These criteria serve to ensure that the characteristics of
the sample and the
population are congruent.
◉ What can a nurse researcher use to restrict the study population
to homogeneous groups of participants?
a. Sampling
b. Self-selection
c. Eligibility criteria
d. Defining study limitations
Answer: c. Eligibility criteria
COMPREHENSIVE EXAMINATION TEST
2026 CERTIFICATION EVALUATION
RESEARCH METHODOLOGY PRACTICE
BANK
◉ Chapter 13
Answer:
◉ Which of the following is the process of selecting representative
units of a population for a research investigation?
a. Sampling
b. Snowballing
c. Delimitation
d. Random assignment
Answer: a. Sampling
◉ How should a nurse researcher expect a sample to differ from a
population?
,a. A sample can be an object or an event; a population refers to
individuals or
groups of people.
b. A population has a broad set of defining characteristics, whereas a
sample has a
narrow set of defining characteristics.
c. A population is a representative segment of a defined sample.
d. A sample is a representative segment of a defined population.
Answer: d. A sample is a representative segment of a defined
population.
◉ A nurse researcher has made a generalization on the basis of the
experience of a small number of participants. What will the result of
this be?
a. Small samples invalidate hypotheses.
b. The researcher may be unable to eliminate his or her bias.
c. Data obtained from a small number may represent the
phenomenon inadequately.
d. Small samples increase historical threats to internal validity.
Answer: c. Data obtained from a small number may represent the
phenomenon inadequately.
,◉ Which of the following statements best identifies the sample
descriptors that form the basis for eligibility criteria in sample
selection?
a. A sample of 1,000 practising nurses in a selected state was
surveyed.
b. The sample consisted of 267 Canadian girls and American girls
who lived in
urban areas in their respective countries.
c. The sample consisted of 40 men between the ages of 20 and 55
who were treated
for burn injuries during the past decade at a specialized burn unit.
d. The sample consisted of 57 hospital nurse executives and 178
staff registered
nurses employed in Ontario.
Answer: c. The sample consisted of 40 men between the ages of 20
and 55 who were treated for burn injuries during the past decade at
a specialized burn unit.
◉ Which of the following statements about inclusion and exclusion
criteria is true?
a. These criteria are not needed when the sample being studied is
composed of
, events.
b. These criteria serve to ensure that the characteristics of the
sample and the
population are congruent.
c. Inclusion criteria are used to define independent variables, and
exclusion criteria
are used to define dependent variables.
d. Inclusion criteria are used to define dependent variables, and
exclusion criteria
are used to define independent variables.
Answer: b. These criteria serve to ensure that the characteristics of
the sample and the
population are congruent.
◉ What can a nurse researcher use to restrict the study population
to homogeneous groups of participants?
a. Sampling
b. Self-selection
c. Eligibility criteria
d. Defining study limitations
Answer: c. Eligibility criteria
