Sampling Techniques and Research Methods

List out other criteria that need to be considered in purposeful sampling.

I. Availability and willingness to participate

II. Availability to communicate experiences and opinions in an articulate, expressive and reflective manner

III. Using the Cochrane formula to calculate the exact sample needed

IV. Advantages of criterion-based selection are focus. Efficiency Richness of data

• I & II

• III & IV

• III only

• IV only

Which area of study that applicable for the researcher to use stratified sampling?

I. Public Health Survey

II. Social science research

III. Identify subgroups

IV. Market research

• I, II & III

• I, II & IV

• II, III & IV

• All of the above

In research, data saturation means that enough data has been collected to draw necessary conclusions, and any further data collection will not produce value-added insights.

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Which qualitative approach studies an event, a program, an activity, or more than one individual with the sample studies?

• Narrative research

• Grounded theory

• Ethnography

• Case Study

A researcher wants to conduct a survey on public opinion regarding a controversial social issue. Which sampling method would be most practical if the researcher approaches individuals in a public park during the weekend for participation?

• Maximum Variation Sampling

• Unique Sampling

• Convenience Sampling

• Stratified Sampling

In a study examining the impact of mentoring programs on academic achievement, which sampling method would be most suitable if the researcher intentionally selects participants who have been recognized for their exceptional leadership qualities in their respective fields?

• Unique Sampling

• Convenience Sampling

• Systematic Sampling

• Snowball Sampling

Utilizing well-informed people to identify critical cases or informants who have a great deal of information about a phenomenon. Which type of sampling techniques that suitable for these criteria?

• Theoretical Sampling

• Purposeful sampling

• Theoretical Framework

• Snowball, chain or network sampling

What are two basic types of sampling?

• Probability and non-probability sampling

• Probability sampling only

• Non-probability only

• None of the above