How does a qualitative historical researcher determine validity and re

How does a qualitative historical researcher determine validity and reliability? The researcher:

a. determines that theoretical saturation is reached with as many primary sources as possible and secondary sources on a limited basis.
b. does not need to be concerned with validity and reliability.
c. finds as many sources as possible on the topic and does not exclude any of them.
d. uses references written about the subject by qualified experts to help ensure validity and reliability.

ESSAYBID ANSWER

ANS: A
The validity and reliability concerns in historical research are related to the sources from which data are collected. The most valued source of data is a primary source, or original works written by a person who actually experienced the event.
This is an untrue statement. Although terms may vary in different types of research, in historical research, the sources from which data are collected are important indicators of validity and reliability. The validity and reliability concerns in historical research are related to the sources from which data are collected. The most valued source of data is a primary source.
Validity and reliability mean that the researcher has evaluated the sources used in the study and discarded ones not determined accurate. The validity and reliability concerns in historical research are related to the sources from which data are collected. The most valued source of data is a primary source.
Using another person’s opinion or interpretation about the subject is not as useful as using something written from the initial source. Secondary sources are not as valued as primary ones. The validity and reliability concerns in historical research are related to the sources from which data are collected. The most valued source of data is a primary source.