Final answer:
The correct word to complete the sentence about sociology research methods is 'finding,' which means locating or discovering something after a search.
Step-by-step explanation:
The question you've asked pertains to which word best completes the sentence relating to sociology research methods. The sentence is: "The surveyors will observe whether residents seeking staff have little difficulty ____ a staff member when the need arises."
The correct option here is a. Finding, which means locating or discovering someone or something after a search.
This fits well in the context provided by the background information, where researchers such as the Lynds were observing natural behaviors and gathering data in their study of Muncie, Indiana.
correct option a. Finding