2. Exploratory/research design.
3. Target population is small or difficult to identify
2.
Monash university wants to learn about its students’ attitudes towards the e-learning
platform Moodle. The marketing research company commissioned to conduct the
research opts to use the survey method for their main data collection. The sampling
technique they use is
cluster sampling
: each faculty—business and economics,
medicine, law, engineering and etc—is treated as a
cluster
. The faculty of Arts and
the faculty of Business and Economics are randomly selected as the clusters to be
surveyed. From each cluster, the researchers draw a random sample of students to be
invited to participate in the survey. Please briefly comment on the sampling technique
used. Is it appropriate? If yes, explain why. If not, what would be an appropriate
sampling technique for this scenario?
No, it is not appropriate. The cluster is homogenous, however, students from different
majors may have different needs for Moodle. For example, teaching methods for Art
and Medicine may vary. Therefore, I think the more appropriate method is stratified
sampling. Investigators should conduct a questionnaire based on different major’s
needs.
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