b) One way researchers can limit the scope of a study is by using a specific sampling method.
a) This will enable them to gather a representative sample of data on the subjects’ behavior without having to observe everything the subject does at all times.
e) The most common sampling method is time sampling, which means the researcher will observe subjects at different intervals of time.
c) These intervals could be random or specific.
d) For example, the researcher could decide to only observe subjects every morning for an hour.