Sampling Procedure and Sample

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What is sampling?

The process of estimating the size of a population
The process of conducting interviews with every member of a population
The process of drawing a number of individual cases from a larger population (correct)
The process of analyzing data after it has been collected

Why do researchers use sampling?

To learn something about a large group without having to study every member of that group (correct)
To ensure that every member of the population is included in the study
To exclude certain groups from the study
To estimate the exact size of a population

What is a sampling frame or study population?

The target population for the research
The group of elements from which a sample is actually selected (correct)
The specific individuals participating in the study
The excluded individuals from the sample

What is the population in a research study?

The group of elements from which a researcher samples and to which she or he might like to generalize (A) Signup and view all the answers

Which term refers to a population of theoretical interest?

Target Population (C) Signup and view all the answers

In the context of the text, what is an element in the study?

Nationality of Photograph-winning participants (A) Signup and view all the answers

What is the sampling frame of the study on TV viewers in the local viewing region?

Every 40th household on the subscriber list (C) Signup and view all the answers

In the study of TV viewers in the local viewing region, what is the population?

All residential customers who subscribed to cable TV (D) Signup and view all the answers

What makes simple random sampling a probability sample?

It gives every member of the study population an equal chance of selection (A) Signup and view all the answers

What distinguishes systematic sampling as a probability sampling procedure?

It selects every kth element from a list of population elements (D) Signup and view all the answers

What characterizes stratified sampling as a probability sampling procedure?

It involves dividing the population into groups and then sampling from each group (D) Signup and view all the answers

What is the main characteristic of cluster sampling as a probability sampling procedure?

It involves randomly selecting clusters of elements from a population (C) Signup and view all the answers

Why have researchers only recently started using cell phone numbers in polling?

Cell phones were not considered reliable for polling until recently (C) Signup and view all the answers

What problem may result from only using landline numbers in polling?

Underrepresentation of younger demographics (B) Signup and view all the answers

What is NonProbability Sampling?

A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected (C) Signup and view all the answers

What distinguishes NonProbability Sampling?

A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected (D) Signup and view all the answers