Research Methods: Sampling and Population

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Questions and Answers

What is the term for the entire group of people, events, or things of interest that the researcher wishes to investigate?

Element

Population (correct)

Sampling Frame

Sample

What is the purpose of defining the population in the sampling process?

To identify the subjects of the study

To determine the sample size

To identify the sample frame

To identify the elements of interest (correct)

What is the term for a single member of the population?

Sample

Population

Subject

Element (correct)

What is the sampling frame in a university setting?

The university registry containing a listing of all students, faculty, administrators, and support staff Signup and view all the answers

What is the term for a subset of the population?

Sample Signup and view all the answers

What is the first step in the sampling process?

Identify the population of interest Signup and view all the answers

What is the term for a single member of the sample?

Subject Signup and view all the answers

What is the characteristic of unrestricted or simple random sampling?

Every element in the population has a known and equal chance of being selected Signup and view all the answers

What is the purpose of generating random numbers in Excel?

To select a random sample from a population Signup and view all the answers

What is the difference between probability and non-probability sampling?

In probability sampling, elements have a known, nonzero chance of being chosen, while in non-probability sampling, elements do not have a known chance of being chosen Signup and view all the answers

What is the example of systematic sampling given in the text?

Sampling every 7th household from a population of 260 houses Signup and view all the answers

How many types of complex probability sampling designs are mentioned in the text?

5 Signup and view all the answers

What is the primary purpose of convenience sampling?

To collect information from easily accessible members of the population Signup and view all the answers

Which type of sampling is used when a researcher wants to collect data from a specific group of people who have the desired information?

Purposive sampling Signup and view all the answers

What is the limitation of judgment sampling?

It may curtail the generalizability of the findings Signup and view all the answers

What is the characteristic of judgment sampling?

It involves collecting data from a limited number of people who have the desired information Signup and view all the answers

Why is purposive sampling used in research?

Because it allows researchers to collect data from a specific group of people who can provide the desired information Signup and view all the answers

Which type of sampling is used when a researcher wants to collect data from a large population?

Quota sampling Signup and view all the answers

What is the purpose of using area sampling design in retail stores, advertisements, and TV and radio programs?

To gather information on the interests, attitudes, predispositions, and behaviors of the local area people Signup and view all the answers

What is the main difference between single-stage and multi-stage sampling?

Single-stage sampling involves randomly choosing the required number of clusters, while multi-stage sampling involves randomly selecting multiple clusters and then selecting further clusters from those Signup and view all the answers

What is the primary limitation of non-probability sampling designs?

The findings cannot be confidently generalized to the population Signup and view all the answers

What is the purpose of double sampling?

To collect preliminary information and then examine it in more detail Signup and view all the answers

What is an example of double sampling?

Conducting a structured interview with a subgroup of respondents and then asking additional questions Signup and view all the answers

What is the main advantage of using area sampling design in a study?

It provides more detailed information about the local population Signup and view all the answers

What is the primary objective of quota sampling?

To ensure that certain groups are adequately represented in the study Signup and view all the answers

What is quota sampling similar to?

Proportionate stratified sampling Signup and view all the answers

What is the primary advantage of using simple random sampling?

It allows for the generalizability of the findings to the whole population Signup and view all the answers

In quota sampling, how are the participants selected?

Selected based on convenience Signup and view all the answers

What is the purpose of assigning a quota in quota sampling?