1. When there is a need to apply different data collection methods to different parts of the population, the best sampling method would be
i. Double sampling
ii. Cluster sampling
iii. Stratified random sampling(Ans)
iv. Systematic random sampling

2. The sampling technique in which every element of the population has an equal, nonzero probability of being selected in a sample, is called
i. Probability sampling(Ans)
ii. Convenience sampling
iii. Purposive sampling
iv. Quota sampling

3. Target population is also called
i. Population
ii. Survey population(Ans)
iii. Population element
iv. Population frame

4. Which one of them is the method for probing the respondent?
i. Repeat the question
ii. Give an expectant pause
iii. Repeat the respondent’s reply
iv. All of the given options(Ans)

5. Which one of the following sets is the measure of central tendency?
a. Mean, standard deviation, mode
b. Mean, median, standard deviation
c. Arithmetic mean, median, mode(Ans)
d. Standard deviation, internal validity, mode

6. In ___________, the researcher attempts to control and/ or manipulate the variables in the study.
1. Experiment(Ans)
2. Hypothesis
3. Theoretical framework
4. Research design

7. In an experimental research study, the primary goal is to isolate and identify the effect produced by the ____.
1. Dependent variable
2. Extraneous variable
3. Independent variable(Ans)
4. Confounding variable

8. A measure is reliable if it provides consistent ___________.
1. Hypothesis
2. Results(Ans)
3. Procedure
4. Sensitivity

9. The interview in which questions are already prepared is called ________.
1. Telephonic interview
2. Personal interview
3. Unstructured interview
4. Structured interview(Ans)

10. The numerical description that describe sample may be expected to differ from those that describe population because of random fluctuations inherent in sampling process.
1. Sampling design
2. Non-probability sampling
3. Sampling error(Ans)
4. Probability sampling

11. In ______________ , each population element has a known and equal chance of selection.
1. Purposive sampling
2. Quota sampling
3. Stratified sampling
4. Simple random sampling(Ans)

12. ______ is the evidence that the instrument, techniques, or process used to measure concept does indeed measure the intended concepts.
1. Reliability
2. Replicability
3. Scaling
4. Validity(Ans)

13. A researcher is interested in studying why the “new math” of the 1960s failed. She interviews several teachers who used the new math during the 1960s. These teachers are considered as:
1. Primary sources(Ans)
2. Secondary Sources
3. External critics
4. Internal critics

14. Which of the following is NOT true about stratified random sampling?
1. It involves a random selection process from identified subgroups
2. Proportions of groups in the sample must always match their population
proportions(Ans)
3. Disproportional stratified random sampling is especially helpful for getting large
enough subgroup samples when subgroup comparisons are to be done
4. Proportional stratified random sampling yields a representative sample

15. Experimental design is the only appropriate design where_________ relationship can be established.
1. Strong
2. Linear
3. Weak
4. Cause and Effect

16. Rationalism is the application of which of the following?
A. Logic and arguments(Ans)
B. Research solution
C. Reasoning
D. Previous findings

17 On which of the following, scientific knowledge mostly relies?
A. Logical understanding
B. Identification of events
C. Prior knowledge
D. All of the given options (MH,vuZs) (Ans)

18. Which of the following refers to research supported by measurable evidence?
A. Opinion
B. Empiricism(Ans)
C. Speculation
D. Rationalism

19. Research method is applicable in all of the following fields, EXCEPT;
A. Health care
B. Religion(Ans)
C. Business
D. Government offices

20. All of the following are true statements about action research, EXCEPT;
A. Data are systematically analyzed
B. Data are collected systematically
C. Results are generalizable(Ans)
D. Results are used to improve practice