Question 1

This is the range of sample statistics obtained when many samples are selected?

Accepted Answer

A)  random numbers 
B)  sampling distribution 
C)  selection interval 
D)  quota 
A)  random numbers 
B)  sampling distribution 
C)  selection interval 
D)  quota

Question 2

Which of the following is not a concern about bias when selecting a sample?

Accepted Answer

A)  selecting a sample based upon convenience 
B)  using probability statistics for drawing a sample 
C)  drawing a sample on a first come, first serve basis 
D)  the researcher's personal bias 
A)  selecting a sample based upon convenience 
B)  using probability statistics for drawing a sample 
C)  drawing a sample on a first come, first serve basis 
D)  the researcher's personal bias

Question 3

The use of ___________sampling helps the researchers generalize to a larger population.

Accepted Answer

The answer of The use of ___________sampling helps the researchers...

Question 4

You are doing research on inmates leaving your state's prison system during the calendar year 2006 with respect to their living arrangements upon release.It is assumed that inmates living with their families will have lower recidivism rates,therefore what sampling technique would do best to obtain a representative sample?

Accepted Answer

A)  simple random sample 
B)  quota sample 
C)  stratified sample 
D)  snowball sample 
A)  simple random sample 
B)  quota sample 
C)  stratified sample 
D)  snowball sample

Question 5

Summary data describing a population is called a parameter while summary data describing a sample is called a___________________.

Accepted Answer

The answer of Summary data describing a population is called...

Question 6

Which of the following is not a probability sample characteristic?

Accepted Answer

A)  probability samples are never perfectly representative 
B)  probability samples are usually more representative than other sampling techniques 
C)  probability sampling lets us estimate the accuracy of the sample 
D)  probability sampling is always representative of the population. 
A)  probability samples are never perfectly representative 
B)  probability samples are usually more representative than other sampling techniques 
C)  probability sampling lets us estimate the accuracy of the sample 
D)  probability sampling is always representative of the population.

Question 7

A basic principle of probability sampling is that a sample will be representative of the population from which it is drawn if:

Accepted Answer

A)  all members of the population have an equal chance of being selected for the sample 
B)  the researcher uses a method of selection based upon convenience 
C)  every "nth" person is selected for the sample 
D)  all are principles of probability sampling 
A)  all members of the population have an equal chance of being selected for the sample 
B)  the researcher uses a method of selection based upon convenience 
C)  every "nth" person is selected for the sample 
D)  all are principles of probability sampling

Question 8

Reporters from your local television news affiliate frequently ask people on a pedestrian shopping street during the lunch hour their opinions about criminal justice issues and play the responses on the 6:00 news.The reporters are using:

Accepted Answer

A)  reliance on available subjects 
B)  probability sampling 
C)  stratified sampling 
D)  quota sampling 
A)  reliance on available subjects 
B)  probability sampling 
C)  stratified sampling 
D)  quota sampling

Question 9

Stratified sampling results in a greater degree of representativeness but at the same time increases the probable sampling error.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following are true with respect to representativeness?

Accepted Answer

A)  a sample represents a population's if it is exactly the same on all relevant variables 
B)  a sample is representative if it approximates the population 
C)  a sample needs to be representative of the population on all variables 
D)  a representative sample is only obtained when a simple random sample is used 
A)  a sample represents a population's if it is exactly the same on all relevant variables 
B)  a sample is representative if it approximates the population 
C)  a sample needs to be representative of the population on all variables 
D)  a representative sample is only obtained when a simple random sample is used

Question 11

Confidence levels allow the researcher to have some idea of how closely their samples reflect the parameter.Which of the following statements about confidence levels is not true?

Accepted Answer

A)  if a simple random sample is used, probability theory suggests that researchers can be 68 percent sure the estimates of that sample fall within one standard error of the parameter 
B)  if a simple random sample is used, probability theory suggests that researchers can be 95 percent sure that estimates of that sample fall within two standard errors of the parameter 
C)  if a simple random sample is used, probability theory suggests that researchers can almost positive (99+ percent) that estimates of that sample fall within three standard errors of the true value 
D)  if a simple random sample is used, probability theory allows the researcher to know with certainty that they have accurate data 
A)  if a simple random sample is used, probability theory suggests that researchers can be 68 percent sure the estimates of that sample fall within one standard error of the parameter 
B)  if a simple random sample is used, probability theory suggests that researchers can be 95 percent sure that estimates of that sample fall within two standard errors of the parameter 
C)  if a simple random sample is used, probability theory suggests that researchers can almost positive (99+ percent) that estimates of that sample fall within three standard errors of the true value 
D)  if a simple random sample is used, probability theory allows the researcher to know with certainty that they have accurate data

Question 12

Following the model of London,England Center City,USA decided to install closed circuit television (CCTV)cameras in a downtown park in hopes of reducing the public's fear of crime.Which technique would be the best choice to determine if fear has in fact decreased?

Accepted Answer

A)  send out a questionnaire to all citizens living in Center City, USA 
B)  select, via simple random sampling, 20 citizens to interview 
C)  interview, via reliance on available subjects, citizens that are in the park 
D)  because you want to measure a "feeling" there is no accurate way to do this 
A)  send out a questionnaire to all citizens living in Center City, USA 
B)  select, via simple random sampling, 20 citizens to interview 
C)  interview, via reliance on available subjects, citizens that are in the park 
D)  because you want to measure a "feeling" there is no accurate way to do this

Question 13

In order to study active criminals who have not been arrested for their criminal acts,the researcher would be wise to employ which type of sampling technique?

Accepted Answer

A)  purposive sampling 
B)  snowball sampling 
C)  convenience sampling 
D)  stratified random sampling 
A)  purposive sampling 
B)  snowball sampling 
C)  convenience sampling 
D)  stratified random sampling

Question 14

Under what conditions would it be appropriate to use a snowball sampling technique?

Accepted Answer

A)  when the characteristic of interest to the study is a deviant one and only a small number of people who know one another are required 
B)  when your questionnaire can be administered in a narrow geographic area 
C)  when all you need to do is interview persons from a population where the sampling frame is known 
D)  when the researcher absolutely must have a sample that is representative of the population from which it is drawn 
A)  when the characteristic of interest to the study is a deviant one and only a small number of people who know one another are required 
B)  when your questionnaire can be administered in a narrow geographic area 
C)  when all you need to do is interview persons from a population where the sampling frame is known 
D)  when the researcher absolutely must have a sample that is representative of the population from which it is drawn

Question 15

You want to know why some states that have the death penalty as a punishment use it more than other states.In order to develop your design,you identify those states that have capital punishment and those that do not.Among those that do have capital punishment,you separate states by the following criteria: annual executions over the last 20 years; states with less than annual executions over the last 20 years; and those states that have not executed in the last 20 years.What sampling method are you using?

Accepted Answer

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

Question 16

When researching a population where it is impossible or impractical to compile a list of the elements,what is the proper sampling technique to use?

Accepted Answer

A)  stratified sample 
B)  systematic sample 
C)  cluster sample 
D)  simple random sample 
A)  stratified sample 
B)  systematic sample 
C)  cluster sample 
D)  simple random sample

Question 17

The goal of sampling is to reduce potential biases.

Accepted Answer

A) True 
 B)False

Question 18

You are asked to do a study on the traffic on your campus.As part of this study you have been asked to identify the frequency of speeding by those using the campus roads.What type of sample would you use? How would you pull that sample?

Accepted Answer

To identify the frequency of speeding on

Question 19

Sampling is often used when it is not possible to collect information from all persons you want to study and when it is not necessary to collect information from all persons.

Accepted Answer

A) True 
 B)False

Question 20

Identify and discuss the different probability and nonprobability sampling methods discussed in the text.

Accepted Answer

Probability sampling methods include sim

This is the range of sample statistics obtained when many samples are selected?

Which of the following is not a concern about bias when selecting a sample?

The use of ___________sampling helps the researchers generalize to a larger population.

Summary data describing a population is called a parameter while summary data describing a sample is called a___________________.

Which of the following is not a probability sample characteristic?

A basic principle of probability sampling is that a sample will be representative of the population from which it is drawn if:

Reporters from your local television news affiliate frequently ask people on a pedestrian shopping street during the lunch hour their opinions about criminal justice issues and play the responses on the 6:00 news.The reporters are using:

Stratified sampling results in a greater degree of representativeness but at the same time increases the probable sampling error.

Which of the following are true with respect to representativeness?

Confidence levels allow the researcher to have some idea of how closely their samples reflect the parameter.Which of the following statements about confidence levels is not true?

Following the model of London,England Center City,USA decided to install closed circuit television (CCTV)cameras in a downtown park in hopes of reducing the public's fear of crime.Which technique would be the best choice to determine if fear has in fact decreased?

In order to study active criminals who have not been arrested for their criminal acts,the researcher would be wise to employ which type of sampling technique?

Under what conditions would it be appropriate to use a snowball sampling technique?

When researching a population where it is impossible or impractical to compile a list of the elements,what is the proper sampling technique to use?

The goal of sampling is to reduce potential biases.

You are asked to do a study on the traffic on your campus.As part of this study you have been asked to identify the frequency of speeding by those using the campus roads.What type of sample would you use? How would you pull that sample?

Sampling is often used when it is not possible to collect information from all persons you want to study and when it is not necessary to collect information from all persons.

Identify and discuss the different probability and nonprobability sampling methods discussed in the text.

Crime Criminal-Justice And-Scientific-Inquiry

Theory and Criminal Justice Research

Ethics and Criminal Justice Research

General Issues In Research Design

Concepts Operationalization And-Measurement

Measuring-Crime

Experimental and Quasi Experimental Designs

Survey Research and Other Ways of Asking Questions

Qualitative-Interviewing

Field-Research

Agency Records Content Analysis And Secondary Data

Evaluation Research and Problem Analysis

Interpreting-Data

Filters

Exam 8: Sampling

This is the range of sample statistics obtained when many samples are selected?

Which of the following is not a concern about bias when selecting a sample?

The use of ___________sampling helps the researchers generalize to a larger population.

Summary data describing a population is called a parameter while summary data describing a sample is called a___________________.

Which of the following is not a probability sample characteristic?

A basic principle of probability sampling is that a sample will be representative of the population from which it is drawn if:

Reporters from your local television news affiliate frequently ask people on a pedestrian shopping street during the lunch hour their opinions about criminal justice issues and play the responses on the 6:00 news.The reporters are using:

Stratified sampling results in a greater degree of representativeness but at the same time increases the probable sampling error.

Which of the following are true with respect to representativeness?

Confidence levels allow the researcher to have some idea of how closely their samples reflect the parameter.Which of the following statements about confidence levels is not true?

Following the model of London,England Center City,USA decided to install closed circuit television (CCTV)cameras in a downtown park in hopes of reducing the public's fear of crime.Which technique would be the best choice to determine if fear has in fact decreased?

In order to study active criminals who have not been arrested for their criminal acts,the researcher would be wise to employ which type of sampling technique?

Under what conditions would it be appropriate to use a snowball sampling technique?

When researching a population where it is impossible or impractical to compile a list of the elements,what is the proper sampling technique to use?

The goal of sampling is to reduce potential biases.

You are asked to do a study on the traffic on your campus.As part of this study you have been asked to identify the frequency of speeding by those using the campus roads.What type of sample would you use? How would you pull that sample?

Sampling is often used when it is not possible to collect information from all persons you want to study and when it is not necessary to collect information from all persons.

Identify and discuss the different probability and nonprobability sampling methods discussed in the text.

Crime Criminal-Justice And-Scientific-Inquiry

Theory and Criminal Justice Research

Ethics and Criminal Justice Research

General Issues In Research Design

Concepts Operationalization And-Measurement

Measuring-Crime

Experimental and Quasi Experimental Designs

Survey Research and Other Ways of Asking Questions

Qualitative-Interviewing

Field-Research

Agency Records Content Analysis And Secondary Data

Evaluation Research and Problem Analysis

Interpreting-Data

Filters