NRSG 387 QUIZES FINAL QUESTIONS AND ANSWERS
9-1. The ability to generalize findings from a research study to other populations, places, and
situations is referred to as:
A) internal validity.
B) reliability.
C) external validity.
D) population validity. - CORRECT ANSWER✅✅C) external validity.
9-2. The confidence that an experimental treatment or condition made a difference and that rival
explanations were ruled out through study design and control is called:
A) internal validity.
B) reliability.
C) external validity.
D) population validity. - CORRECT ANSWER✅✅A) internal validity.
9-3. Which of the following is likely to permit bias?
A) Using more than one observer
B) Allowing subjects to volunteer for the study
C) Blinding treatment groups to the researcher
D) Using a carefully constructed demographic questionnaire - CORRECT ANSWER✅✅B) Allowing
subjects to volunteer for the study
9- 4. Which type of error is frequently referred to as the level of significance?
A) Type 1 error (want to make sure that it was the intervention that made the dif - p.value = significant
change (0.05)
B) Type 2 error
C) Measurement error
D) Sampling error - CORRECT ANSWER✅✅A) Type 1 error (want to make sure that it was the
intervention that made the dif - p.value = significant change (0.05))
,9-5. Which type of error is related to the power of the statistical test?
A) Type 1 error
B) Type 2 error
C) Measurement error
D) Sampling error - CORRECT ANSWER✅✅B) Type 2 error
9-6. The magnitude of the impact that the intervention or variable is expected to have on the outcome is
referred to as the:
A) power.
B) experimenter effect.
C) effect size.
D) treatment effect. - CORRECT ANSWER✅✅C) effect size.
9-7. Which of the following is a threat to external validity?
A) Selection effect
B) Study design
C) Maturation
D) Type I Error - CORRECT ANSWER✅✅A) Selection effect
9- 8. Cross-checking conclusions using multiple data sources, methods, or researchers to study the
phenomenon is known as:
A) triangulation.
B) bracketing.
C) audit trail.
D) random selection. - CORRECT ANSWER✅✅A) triangulation.
9-9. If a threat to validity cannot be eliminated or controlled, the researcher can _____ the threat.
A) disclose
, B) limit
C) account for
D) ignore - CORRECT ANSWER✅✅C) account for
9- 10. A threat to internal validity in which the subjects' reactions are due to the effect of being
observed are referred to as:
A) selection effects.
B) treatment effects.
C) experimental mortality.
D) maturation - CORRECT ANSWER✅✅B) treatment effects.
10- 1. The type of question used in descriptive studies that is designed to describe what is going on or
what exists is labeled as:
A) descriptive.
B) correlational.
C) relational.
D) predictive. - CORRECT ANSWER✅✅A) descriptive.
10- 2. The type of question used in descriptive studies that is designed to investigate an association is
labeled as:
A) descriptive.
B) correlational.
C) relational.
D) predictive. - CORRECT ANSWER✅✅C) relational.
10-3. The use of survey designs offers many advantages for the researcher including which of the
following?
A) The content is flexible and scope is broad.
B) This is a cost-effective method for reaching small populations.
C) Large sample sizes are not required.
9-1. The ability to generalize findings from a research study to other populations, places, and
situations is referred to as:
A) internal validity.
B) reliability.
C) external validity.
D) population validity. - CORRECT ANSWER✅✅C) external validity.
9-2. The confidence that an experimental treatment or condition made a difference and that rival
explanations were ruled out through study design and control is called:
A) internal validity.
B) reliability.
C) external validity.
D) population validity. - CORRECT ANSWER✅✅A) internal validity.
9-3. Which of the following is likely to permit bias?
A) Using more than one observer
B) Allowing subjects to volunteer for the study
C) Blinding treatment groups to the researcher
D) Using a carefully constructed demographic questionnaire - CORRECT ANSWER✅✅B) Allowing
subjects to volunteer for the study
9- 4. Which type of error is frequently referred to as the level of significance?
A) Type 1 error (want to make sure that it was the intervention that made the dif - p.value = significant
change (0.05)
B) Type 2 error
C) Measurement error
D) Sampling error - CORRECT ANSWER✅✅A) Type 1 error (want to make sure that it was the
intervention that made the dif - p.value = significant change (0.05))
,9-5. Which type of error is related to the power of the statistical test?
A) Type 1 error
B) Type 2 error
C) Measurement error
D) Sampling error - CORRECT ANSWER✅✅B) Type 2 error
9-6. The magnitude of the impact that the intervention or variable is expected to have on the outcome is
referred to as the:
A) power.
B) experimenter effect.
C) effect size.
D) treatment effect. - CORRECT ANSWER✅✅C) effect size.
9-7. Which of the following is a threat to external validity?
A) Selection effect
B) Study design
C) Maturation
D) Type I Error - CORRECT ANSWER✅✅A) Selection effect
9- 8. Cross-checking conclusions using multiple data sources, methods, or researchers to study the
phenomenon is known as:
A) triangulation.
B) bracketing.
C) audit trail.
D) random selection. - CORRECT ANSWER✅✅A) triangulation.
9-9. If a threat to validity cannot be eliminated or controlled, the researcher can _____ the threat.
A) disclose
, B) limit
C) account for
D) ignore - CORRECT ANSWER✅✅C) account for
9- 10. A threat to internal validity in which the subjects' reactions are due to the effect of being
observed are referred to as:
A) selection effects.
B) treatment effects.
C) experimental mortality.
D) maturation - CORRECT ANSWER✅✅B) treatment effects.
10- 1. The type of question used in descriptive studies that is designed to describe what is going on or
what exists is labeled as:
A) descriptive.
B) correlational.
C) relational.
D) predictive. - CORRECT ANSWER✅✅A) descriptive.
10- 2. The type of question used in descriptive studies that is designed to investigate an association is
labeled as:
A) descriptive.
B) correlational.
C) relational.
D) predictive. - CORRECT ANSWER✅✅C) relational.
10-3. The use of survey designs offers many advantages for the researcher including which of the
following?
A) The content is flexible and scope is broad.
B) This is a cost-effective method for reaching small populations.
C) Large sample sizes are not required.
