2. Which of the following is referred to as an indirect method of gathering data
where the respondent used to answer written questions?
A. experimentation
B. interview
C. observation
D. questionnaire
3. Which of the following is an example of a primary data?
A books
B. journals
C. magazines
D. testimonies of the investigator
4. Which of the following methods of gathering data requires face-to-face inquiry
with the respondent?
A. experimentation
B. interview
C. observation
D. questionnaire
5. What method of gathering data is shown in this situation?
A dermatologist would like to know the effect of enhanced skin care product on both
male and female teenagers. The new product will be applied to selected
teenagers, while another set of teenagers will use the original product. The effect of
the skin care product will be compared to determine which product is more effective.
B. interview
A. experimentation
B. observation
D. registration or census
6. Which method of gathering data is used when the investigator observes the
behavior of certain persons or situations that will answer the study?
B. interview
A. experimentation
C. observation
D. questionnaire
7. What is the sample size if the population is 1 500 and the margin of error is 1%?
C. 601
B. 1304
D. 600
A. 1 305
8. What government office is tasked to gather data regarding the birth, death, and
marriage of registered Filipinos?
A. Department of Education (DepEd)
B. Department of Health (DOH)
D. National Statistics Office (NSO)
C. Land Transportation Office (LTO)
9. Which sampling technique suggests that the population maybe divided
geographically into regions, divisions, or districts?
A. cluster sampling
B. stratified sampling
C. systematic sampling
D. quota sampling
10. A researcher asks his neighbors their opinions about the effectiveness of the
COVID-19 vaccine. What kind of sample is this?
A. cluster sampling
B. convenience sampling
C. random sampling
D. stratified sampling

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