Author Question: How should a nurse researcher expect a sample to differ from a population? a. A sample can mean ... (Read 33 times)

jerry coleman · **on:** Jul 8, 2018

How should a nurse researcher expect a sample to differ from a population?

a. A sample can mean objects or events, whereas population refers to individuals or groups of people.
b. A population has a broad set of defining characteristics, and 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.

Question 2

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. The small sample will invalidate the hypotheses.
b. The researcher will be unable to eliminate his or her bias.
c. The data obtained from a small number will inadequately represent the phenomenon.
d. The small number of participants will increase the threat to internal validity influenced by history.

Swizqar · **Reply #1 on:** Jul 8, 2018

Answer to Question 1

ANS: D

Feedback
A A population refers to a well-defined set of people, animals, objects, or events.
B A sample is the group of research subjects representing the population.
C A sample is a representative segment of the population.
D A sample is a set of elements or segments of a specified population.

Answer to Question 2

ANS: C

Feedback
A A small sample does not necessarily invalidate hypotheses.
B Researcher bias is not necessarily controlled by sample size, small or large.
C A too-small sample may inadequately represent the phenomenon and threaten valid conclusions.
D Small sample size does not necessarily increase historical threats to validity.