What quantitative mode of research involving investigation of dependent and independent variables through control and manipulation?

• Correlational Study

• Experimental Study

After selecting the participants or subjects in an experimental research, what is the next thing to do?

• Conduct an experiment

• Determine the variables

• Decide on the type of design

• Specify the problem or topic

What design is used if the study is on “the relationship between the value orientation of radio soap opera listeners and their socioeconomic status”?

• Correlational Study

• Experimental Study

If the teacher wants to improve the performance of his students, what is the best way that he can do to conduct?

• Descriptive Research

• Experimental Research

• All of the above

What is the most appropriate method for testing cause-and-effect relationships?

• Correlational Studies

• Descriptive Studies

• Experimental Studies

• Ethnographic Studies

Which word that refers to your method or process of selecting respondents or people to answer questions meant to yield data for a research study?

• population

• sample size

• sampling

• sample error

What type of sampling design in which all individuals in the population are arranged in methodical manner and the nth name may be selected in the construction of the sample?

• Cluster sampling

• Purposive sampling

• Multistage sampling

• Systematic sampling

What type of sampling when you choose people whom you are sure could respond to the objectives of your study, like selecting those with rich experience or interest in your study?

• Availability sampling

• Purposive sampling

• Quota sampling

• Voluntary sampling

Why do sample surveys are often used instead of complete enumeration or censuses?

• Because the population to be investigated is quite large

• Because the population to be investigated is too few

• Because the research problem is unattainable

• Because the subject of the research is too broad

What is the best random sampling design when every member in the population is given equal chance of inclusion in the sample?

• Restricted random sampling

• Stratified random sampling

• Systematic random sampling

• Unrestricted random sampling