Question 1

Probability sampling methods have no systematic bias.

Accepted Answer

A) True 
 B)False

Question 2

Researchers can make more precise estimates of the sample size required through a method called ______.

Accepted Answer

A) statistical power analysis 
B) generalization 
C) inferential statistics 
D) sample statistics 
A) statistical power analysis 
B) generalization 
C) inferential statistics 
D) sample statistics

Question 3

We can mathematically determine the likely degree of sampling error in an estimate based on a random sample,provided we have a reasonable response rate.

Accepted Answer

A) True 
 B)False

Question 4

In a representative sample,some characteristics are overrepresented or underrepresented when compared to the population.

Accepted Answer

A) True 
 B)False

Question 5

You have a population of 100,with 20% of them male and 80% female.The mean income for men is US$100,000 and for women is US$68,000.To estimate the mean income for the entire population,what is the weight you should use for the male population?

Accepted Answer

A) 10 
B) 20 
C) 40 
D) 80 
A) 10 
B) 20 
C) 40 
D) 80

Question 6

Which of the following is FALSE regarding normal curves?

Accepted Answer

A) Sampling distributions for many statistics have a normal shape. 
B) A normal distribution looks like a bell. 
C) A normal distribution is asymmetric. 
D) The shape of a normal distribution is produced by random sampling error. 
A) Sampling distributions for many statistics have a normal shape. 
B) A normal distribution looks like a bell. 
C) A normal distribution is asymmetric. 
D) The shape of a normal distribution is produced by random sampling error.

Question 7

You have a population of 1,000 students,of which 75% are male.You want to draw a sample of 100 students,of which 50 are male and 50 are female.What is the probability of selection for men?

Accepted Answer

A) 1/1,000 
B) 75/1,000 
C) 50/750 
D) 100/750 
A) 1/1,000 
B) 75/1,000 
C) 50/750 
D) 100/750

Question 8

Which sampling technique is useful for hard-to-reach or hard-to-identify populations?

Accepted Answer

A) availability sampling 
B) snowball sampling 
C) purposive sampling 
D) quota sampling 
A) availability sampling 
B) snowball sampling 
C) purposive sampling 
D) quota sampling

Question 9

When a 1936 Literary Digest poll found overwhelming support for Alfred Landon's presidential bid over Franklin Delano Roosevelt,they made an erroneous prediction that Landon would defeat FDR.What are the probable sources for error in their poll that helps explain their mistake?

Accepted Answer

A) Nonresponse rate was high. 
B) Sample was not representative of the population. 
C) Failed to use probability sampling techniques. 
D) All of these 
A) Nonresponse rate was high. 
B) Sample was not representative of the population. 
C) Failed to use probability sampling techniques. 
D) All of these

Question 10

What is the difference between cross-population and sample generalizability?

Accepted Answer

Researchers looking at cross-population

Question 11

Which of the following is NOT true about the generalizability of the Milgram experiments?

Accepted Answer

A) In replications,when another "subject" in the room who refused to administer the shocks,subjects were likely to resist authority. 
B) Similar results to the original experiment were obtained in many replications of the Milgram experiments. 
C) In the original experiment,all participants were men.Therefore,generalizing to women would not be appropriate. 
D) The original experiment results were generalizable to the U.S.adult population. 
A) In replications,when another "subject" in the room who refused to administer the shocks,subjects were likely to resist authority. 
B) Similar results to the original experiment were obtained in many replications of the Milgram experiments. 
C) In the original experiment,all participants were men.Therefore,generalizing to women would not be appropriate. 
D) The original experiment results were generalizable to the U.S.adult population.

Question 12

What is another name for cross-population generalizability?

Accepted Answer

A) target population 
B) sampling error 
C) external validity 
D) internal validity 
A) target population 
B) sampling error 
C) external validity 
D) internal validity

Question 13

Which of the following statements is FALSE regarding sample quality?

Accepted Answer

A) Sample quality cannot be evaluated if population is not specified. 
B) Sample quality cannot be evaluated if selection technique is not specified. 
C) Sample quality is determined by the selection method itself,not the actual sample obtained. 
D) Cross-population generalizations are conjecture,no matter how strong the sample generalization. 
A) Sample quality cannot be evaluated if population is not specified. 
B) Sample quality cannot be evaluated if selection technique is not specified. 
C) Sample quality is determined by the selection method itself,not the actual sample obtained. 
D) Cross-population generalizations are conjecture,no matter how strong the sample generalization.

Question 14

Quota sampling requires that the researcher have some prior knowledge of characteristics in the population.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT a procedure for simple random selection of elements?

Accepted Answer

A) assigning consecutive numbers to elements and selecting on the basis of a random number table 
B) selecting every nth element from a sampling frame,after the starting point has been randomly selected 
C) using a computer to dial random digits after a phone prefix 
D) writing all elements down on small pieces of paper,mixing them up,and selecting them like they do in the lottery 
A) assigning consecutive numbers to elements and selecting on the basis of a random number table 
B) selecting every nth element from a sampling frame,after the starting point has been randomly selected 
C) using a computer to dial random digits after a phone prefix 
D) writing all elements down on small pieces of paper,mixing them up,and selecting them like they do in the lottery

Question 16

How is sample quality assessed?

Accepted Answer

A) the size of the sample 
B) the amount of inference 
C) the amount of sampling error 
D) how thoroughly people in the sample answer the survey questions 
A) the size of the sample 
B) the amount of inference 
C) the amount of sampling error 
D) how thoroughly people in the sample answer the survey questions

Question 17

What is the difference between probability and nonprobability sampling?

Accepted Answer

Probability sampling methods are those i

Question 18

Which of the following is TRUE about probability sampling methods?

Accepted Answer

A) In most cases,the raw size of the sample is less important than the fraction of the population that the sample represents. 
B) A smaller sample tends to be more representative of a population than a larger drawn from the same population. 
C) A sample of 3% of the population is always more representative of the population than a sample of 2% of the population,regardless of the size of the sample drawn. 
D) The more heterogeneous a population is,the more likely a sample will be representative of it. 
A) In most cases,the raw size of the sample is less important than the fraction of the population that the sample represents. 
B) A smaller sample tends to be more representative of a population than a larger drawn from the same population. 
C) A sample of 3% of the population is always more representative of the population than a sample of 2% of the population,regardless of the size of the sample drawn. 
D) The more heterogeneous a population is,the more likely a sample will be representative of it.

Question 19

A sample is always drawn from the target population.

Accepted Answer

A) True 
 B)False

Question 20

What is snowball sampling? When would this type of sampling method be appropriate to use?

Accepted Answer

Snowball sampling--a method of sampling

Probability sampling methods have no systematic bias.

Researchers can make more precise estimates of the sample size required through a method called ______.

We can mathematically determine the likely degree of sampling error in an estimate based on a random sample,provided we have a reasonable response rate.

In a representative sample,some characteristics are overrepresented or underrepresented when compared to the population.

You have a population of 100,with 20% of them male and 80% female.The mean income for men is US$100,000 and for women is US$68,000.To estimate the mean income for the entire population,what is the weight you should use for the male population?

Which of the following is FALSE regarding normal curves?

You have a population of 1,000 students,of which 75% are male.You want to draw a sample of 100 students,of which 50 are male and 50 are female.What is the probability of selection for men?

Which sampling technique is useful for hard-to-reach or hard-to-identify populations?

When a 1936 Literary Digest poll found overwhelming support for Alfred Landon's presidential bid over Franklin Delano Roosevelt,they made an erroneous prediction that Landon would defeat FDR.What are the probable sources for error in their poll that helps explain their mistake?

What is the difference between cross-population and sample generalizability?

Which of the following is NOT true about the generalizability of the Milgram experiments?

What is another name for cross-population generalizability?

Which of the following statements is FALSE regarding sample quality?

Quota sampling requires that the researcher have some prior knowledge of characteristics in the population.

Which of the following is NOT a procedure for simple random selection of elements?

How is sample quality assessed?

What is the difference between probability and nonprobability sampling?

Which of the following is TRUE about probability sampling methods?

A sample is always drawn from the target population.

What is snowball sampling? When would this type of sampling method be appropriate to use?

The Science, society, and Social Research

The Process and Problems of Social Research

Research Ethics and Research Proposals

Conceptualization and Measurement

Research Design and Causation

Experiments

Survey Research

Quantitative Data Analysis

Qualitative Methods

Qualitative Data Analysis

Mixed Methods

Evaluation and Policy Research

Research Using Secondary Data and Big Data

Research Using Historical and Comparative Data and Content Analysis

Summarizing and Reporting

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Exam 5: Sampling and Generalizability

Probability sampling methods have no systematic bias.

Researchers can make more precise estimates of the sample size required through a method called ______.

We can mathematically determine the likely degree of sampling error in an estimate based on a random sample,provided we have a reasonable response rate.

In a representative sample,some characteristics are overrepresented or underrepresented when compared to the population.

You have a population of 100,with 20% of them male and 80% female.The mean income for men is US$100,000 and for women is US$68,000.To estimate the mean income for the entire population,what is the weight you should use for the male population?

Which of the following is FALSE regarding normal curves?

You have a population of 1,000 students,of which 75% are male.You want to draw a sample of 100 students,of which 50 are male and 50 are female.What is the probability of selection for men?

Which sampling technique is useful for hard-to-reach or hard-to-identify populations?

When a 1936 Literary Digest poll found overwhelming support for Alfred Landon's presidential bid over Franklin Delano Roosevelt,they made an erroneous prediction that Landon would defeat FDR.What are the probable sources for error in their poll that helps explain their mistake?

What is the difference between cross-population and sample generalizability?

Which of the following is NOT true about the generalizability of the Milgram experiments?

What is another name for cross-population generalizability?

Which of the following statements is FALSE regarding sample quality?

Quota sampling requires that the researcher have some prior knowledge of characteristics in the population.

Which of the following is NOT a procedure for simple random selection of elements?

How is sample quality assessed?

What is the difference between probability and nonprobability sampling?

Which of the following is TRUE about probability sampling methods?

A sample is always drawn from the target population.

What is snowball sampling? When would this type of sampling method be appropriate to use?

The Science, society, and Social Research

The Process and Problems of Social Research

Research Ethics and Research Proposals

Conceptualization and Measurement

Research Design and Causation

Experiments

Survey Research

Quantitative Data Analysis

Qualitative Methods

Qualitative Data Analysis

Mixed Methods

Evaluation and Policy Research

Research Using Secondary Data and Big Data

Research Using Historical and Comparative Data and Content Analysis

Summarizing and Reporting

Filters