Exam 5: Sampling and Generalizability

In the population of New Town,30% of the people work for Bigg Corporation,30% work in the public sector (including education),and 40% are self-employed.In a survey of 100 residents of New Town,40 people worked for Bigg Corporation,40% worked in the public sector,and 20 people were self-employed.This sample was ______.

How can a researcher test the validity of cross-population generalizations?

Systematic random sampling is a variant of what sampling method?

Which of the following is NOT one of the four most common methods for drawing random samples?

When nothing but chance determines the elements selected for a sample,there is no ______.

Which of the following is NOT true about sample sizes?

The individual members of the population whose characteristics are to be measured are called the elements.

Sampling is unnecessary if all units in the population are identical.

Quota sampling is advisable when ______.

The U.S.Government uses tax dollars to conduct the Census.

A researcher has decided to do a study of people who hunt in a nearby national forest.He asks a friend,whom he knows to be a hunter,if he would consent to an interview.He interviews his friend and then asks his friend if he could name other people who hunted in the forest.His friend provides him with five names.The researcher contacts those five people,interviews them,and asks each of those people for names of other hunters.This sampling technique is known as ______.

The difference between the characteristics of a sample and the characteristics of a population from which it was drawn is the sampling error.

The entire set of individuals or other entities to which study findings will be generalized is the ______.

The fraction of the total population that a sample contains largely affects the sample's representativeness.

This subset of the population of interest is called a(n)______.

As of 2013,what fraction of the U.S.population only cell phones?

Which of the following is NOT a reason that social scientists do not often conduct a census?

What is NOT another name for availability sampling?

Units that contain one or more elements and that are listed in a sampling frame are called ______.

In social research,what is the importance of sampling? Why are probability sampling techniques superior to nonprobability sampling in achieving this end?