Author Question: The nurse researcher is attempting to develop a purposive sampling strategy as part of a research ... (Read 69 times)

HudsonKB16 · **on:** Jul 8, 2018

The nurse researcher is attempting to develop a purposive sampling strategy as part of a research study. What criteria will be used to determine whether the strategy is purposive? (Select all that apply.)

a. Validation of scale with a known-group technique
b. Focus of study population relates to specific diagnosis
c. Focus of study population relates to broad, general topic
d. Effective posttesting of instruments
e. Collection of exploratory data
f. Collection of descriptive data

Question 2

A research consumer should evaluate sample size in a research report by doing what?

a. By asking how many assistants were involved in data collection
b. By asking how representative the sample is relative to the target population
c. By asking how great the outcome difference is between or among study groups
d. By asking how many previous studies the researcher has conducted on similar topics

mk6555 · **Reply #1 on:** Jul 8, 2018

Answer to Question 1

ANS: A, B, E, F

Feedback
Correct This would be a criterion used to determine whether the sampling strategy is purposive.
This would be a criterion used to determine whether the sampling strategy is purposive.
This would be a criterion used to determine whether the sampling strategy is purposive.
This would be a criterion used to determine whether the sampling strategy is purposive.
Incorrect The study population should relate to a specific diagnosis, not to a broad topic.
The instrument should be pretested, not posttested.

Answer to Question 2

ANS: B

Feedback
A The number of data collectors is not of critical importance for research report evaluation.
B A major factor to be evaluated about sample size is how representative of the population the sample is.
C Outcome differences would have greater impact on later research but not on the current study.
D Researcher expertise should not determine sample size.