Question 1

What is random-digit dialing?

Accepted Answer

The answer of What is random-digit dialing?...

Question 2

The most representative samples do not use a random selection process.

Accepted Answer

A) True 
 B)False

Question 3

A proper sample allows researchers to study features of the population from which it came.

Accepted Answer

A) True 
 B)False

Question 4

In sampling a hidden population,a researcher would use what type of sampling?

Accepted Answer

A) convenience 
B) snowball 
C) quota 
D) None of the above

Question 5

______________________is a term meaning without being systematic; a carefree Ȉanything goesȈ selection method.

Accepted Answer

The answer of ______________________is a term meaning without being systematic;...

Question 6

The___________the homogeneity (or the less the diversity),the smaller its sampling error.

Accepted Answer

The answer of The___________the homogeneity (or the less the diversity),the...

Question 7

______________________samples possible telephone numbers using computer-based random sampling.

Accepted Answer

The answer of ______________________samples possible telephone numbers using computer-based random...

Question 8

Dr.Van Offer has a very large sample with very little diversity among cases,so his sampling error will be

Accepted Answer

A) very small. 
B) very large. 
C) will be the same as any other error. 
D) will be bell-shaped.

Question 9

One limitation of this type of sampling is that the researcher only captures the diversity of a few predetermined population characteristics.

Accepted Answer

A) purposive 
B) quota 
C) random 
D) convenience

Question 10

List and describe four types of randomized sampling techniques.

Accepted Answer

The answer of List and describe four types of randomized...

Question 11

Dr.Van Offer has proposed a study of a population with Hepatitis C,a blood/liver disease that is transmitted through contact with bodily fluids (sexual contact,sharing needles,etc.).Since he does not have access to medical records because of confidentiality,how will he ȈfindȈ this population,i.e.what type of sampling techniques might he use? What is this kind of population called? Give two other examples of this type of population.

Accepted Answer

The answer of Dr.Van Offer has proposed a study of...

Question 12

______________________sampling is appropriate when a researcherȇs goal is other than getting representative sample of an entire population.The researcher uses many diverse means to select units that fit very specific characteristics.

Accepted Answer

The answer of ______________________sampling is appropriate when a researcherȇs goal...

Question 13

Accidental sampling occurs when a researcher selects cases that are easy and convenient.It lacks depth and is also called

Accepted Answer

A) convenience sampling. 
B) snowball sampling. 
C) quota sampling. 
D) purposive sampling.

Question 14

A random sampling distribution curve is in the shape of

Accepted Answer

A) an exponential curve. 
B) parabola. 
C) bell shape curve. 
D) H and D curve.

Question 15

A researcher might use purposive sampling by

Accepted Answer

A) using snowball sampling. 
B) getting a broad overview of sources. 
C) picking subjects he meets on the street. 
D) selecting cases from a specific,difficult-to-reach population.

Question 16

This type of population includes people who engage in concealed activities and is called
.

Accepted Answer

The answer of This type of population includes people who...

Question 17

Probability samples are the same as___________.

Accepted Answer

The answer of Probability samples are the same as___________....

Question 18

The crucial feature in snowball sampling is that each person or case has a___________with one another.

Accepted Answer

The answer of The crucial feature in snowball sampling is...

Question 19

Qualitative researchers rarely use random sampling because they often have different goals than to get a representative sample of a large population.

Accepted Answer

A) True 
 B)False

Question 20

If a researcher wants to sample a very small target population,he might as well

Accepted Answer

A) not do any research. 
B) include everyone. 
C) include every third subject. 
D) not include the first ten subjects.

Exam 4: Sampling, How to Select a Few to Represent the Many

What is random-digit dialing?

The most representative samples do not use a random selection process.

A proper sample allows researchers to study features of the population from which it came.

In sampling a hidden population,a researcher would use what type of sampling?

______________________is a term meaning without being systematic; a carefree Ȉanything goesȈ selection method.

The___________the homogeneity (or the less the diversity),the smaller its sampling error.

______________________samples possible telephone numbers using computer-based random sampling.

Dr.Van Offer has a very large sample with very little diversity among cases,so his sampling error will be

One limitation of this type of sampling is that the researcher only captures the diversity of a few predetermined population characteristics.

List and describe four types of randomized sampling techniques.

______________________sampling is appropriate when a researcherȇs goal is other than getting representative sample of an entire population.The researcher uses many diverse means to select units that fit very specific characteristics.

Accidental sampling occurs when a researcher selects cases that are easy and convenient.It lacks depth and is also called

A random sampling distribution curve is in the shape of

A researcher might use purposive sampling by

This type of population includes people who engage in concealed activities and is called .

Probability samples are the same as___________.

The crucial feature in snowball sampling is that each person or case has a___________with one another.

Qualitative researchers rarely use random sampling because they often have different goals than to get a representative sample of a large population.

If a researcher wants to sample a very small target population,he might as well