Question 1

The most commonly used sampling method in psychological research is probably

Accepted Answer

A) cluster sampling. 
B) quota sampling. 
C) simple random sampling. 
D) convenience sampling. 
A) cluster sampling. 
B) quota sampling. 
C) simple random sampling. 
D) convenience sampling.

Question 2

Explain why you are more likely to obtain a representative sample with proportionate stratified random sampling than with either stratified random sampling or simple random sampling.

Accepted Answer

In a proportionate stratified sample,eac

Question 3

Although a research question usually concerns the _________ the actual research participants are selected from the _________.

Accepted Answer

A) target population,accessible population 
B) accessible population,target population 
C) target population,sample 
D) accessible population,sample 
A) target population,accessible population 
B) accessible population,target population 
C) target population,sample 
D) accessible population,sample

Question 4

If the individuals in a sample have characteristics that are noticeably different from the individuals in the population,then the sample is said to be

Accepted Answer

A) representative. 
B) random. 
C) stratified. 
D) biased. 
A) representative. 
B) random. 
C) stratified. 
D) biased.

Question 5

If the goal of a research study is to describe and compare different subgroups in a known population,the best strategy is to use stratified random sampling.

Accepted Answer

A) True 
 B)False

Question 6

If a researcher wants a sample to accurately represent the composition of the population,the best strategy is to use stratified random sampling.

Accepted Answer

A) True 
 B)False

Question 7

Simple random sampling guarantees that the sample will be representative of the population.

Accepted Answer

A) True 
 B)False

Question 8

The primary advantage of a stratified random sample is that

Accepted Answer

A)  it ensures that there will be enough participants in each group to be able to make statistical decisions concerning the group. 
B) it provides a sample that is guaranteed to be representative of the population. 
C) it ensures that no single group is over-represented in the sample. 
D) the other three choices are all advantages of a stratified random sample. 
A)  it ensures that there will be enough participants in each group to be able to make statistical decisions concerning the group. 
B) it provides a sample that is guaranteed to be representative of the population. 
C) it ensures that no single group is over-represented in the sample. 
D) the other three choices are all advantages of a stratified random sample.

Question 9

If each person in a large group has an equal chance of being included in an experiment,then the researcher is using

Accepted Answer

A) systematic sampling. 
B) random sampling. 
C) convenience sampling. 
D) cluster sampling. 
A) systematic sampling. 
B) random sampling. 
C) convenience sampling. 
D) cluster sampling.

Question 10

A large sample is probably more representative than a small sample.

Accepted Answer

A) True 
 B)False

Question 11

The most commonly used sampling methods in psychology are nonprobability sampling methods.

Accepted Answer

A) True 
 B)False

Question 12

A cluster sample usually does not qualify as a true random sample because

Accepted Answer

A) the individual groups selected are not determined by a random process. 
B) the selections are not independent of each other. 
C) the individuals within each group are usually not independent. 
D) all of the other choices are correct. 
A) the individual groups selected are not determined by a random process. 
B) the selections are not independent of each other. 
C) the individuals within each group are usually not independent. 
D) all of the other choices are correct.

Question 13

A major goal of research is to ______________ from a small group of participants included in a study to the larger group from which they came.

Accepted Answer

A) deduce 
B) generalize 
C) specialize 
D) reason 
A) deduce 
B) generalize 
C) specialize 
D) reason

Question 14

Explain how quota sampling can be used to simulate stratified random sampling or proportionate stratified random sampling in situations where the entire population is not known.

Accepted Answer

Quota sampling can simulate stratified r

Question 15

A method for random sampling is

Accepted Answer

A) sampling with replacement. 
B) sampling without replacement. 
C) sampling with replacement and sampling without replacement. 
D) Neither sampling with nor without replacement is a method of random sampling. 
A) sampling with replacement. 
B) sampling without replacement. 
C) sampling with replacement and sampling without replacement. 
D) Neither sampling with nor without replacement is a method of random sampling.

Question 16

The accessible population is a subset of the target population.

Accepted Answer

A) True 
 B)False

Question 17

A random process

Accepted Answer

A) produces one outcome from a set of possible outcomes. 
B) produces an unpredictable outcome. 
C) guarantees that each of the possible outcomes is equally likely. 
D) the other three choices are all characteristics of a random process. 
A) produces one outcome from a set of possible outcomes. 
B) produces an unpredictable outcome. 
C) guarantees that each of the possible outcomes is equally likely. 
D) the other three choices are all characteristics of a random process.

Question 18

A sample consists of 25 freshmen,25 sophomores,25 juniors,and 25 seniors from a local high school.If the sample was obtained using a list of all the students in the high school,it is probably an example of ___________.If the sample was obtained without a list of students,it is probably an example of ___________.

Accepted Answer

A) simple random sampling,cluster sampling 
B) stratified random sampling,quota sampling 
C) proportionate stratified random sampling,quota sampling 
D) systematic sampling,convenience sampling 
A) simple random sampling,cluster sampling 
B) stratified random sampling,quota sampling 
C) proportionate stratified random sampling,quota sampling 
D) systematic sampling,convenience sampling

Question 19

The workers in a factory are organized into 5-person teams.When conducting a work-environment survey,a researcher randomly selected 10 teams to obtain a total sample of 50 workers.The researcher used

Accepted Answer

A) simple random sampling. 
B) stratified random sampling. 
C) proportionate stratified random sampling. 
D) cluster sampling. 
A) simple random sampling. 
B) stratified random sampling. 
C) proportionate stratified random sampling. 
D) cluster sampling.

Question 20

Selection bias is likely to produce a sample with characteristics that are noticeably different from those in the population.

Accepted Answer

A) True 
 B)False

The most commonly used sampling method in psychological research is probably

Explain why you are more likely to obtain a representative sample with proportionate stratified random sampling than with either stratified random sampling or simple random sampling.

Although a research question usually concerns the _ the actual research participants are selected from the _.

If the individuals in a sample have characteristics that are noticeably different from the individuals in the population,then the sample is said to be

If the goal of a research study is to describe and compare different subgroups in a known population,the best strategy is to use stratified random sampling.

If a researcher wants a sample to accurately represent the composition of the population,the best strategy is to use stratified random sampling.

Simple random sampling guarantees that the sample will be representative of the population.

The primary advantage of a stratified random sample is that

If each person in a large group has an equal chance of being included in an experiment,then the researcher is using

A large sample is probably more representative than a small sample.

The most commonly used sampling methods in psychology are nonprobability sampling methods.

A cluster sample usually does not qualify as a true random sample because

A major goal of research is to ______________ from a small group of participants included in a study to the larger group from which they came.

Explain how quota sampling can be used to simulate stratified random sampling or proportionate stratified random sampling in situations where the entire population is not known.

A method for random sampling is

The accessible population is a subset of the target population.

A random process

A sample consists of 25 freshmen,25 sophomores,25 juniors,and 25 seniors from a local high school.If the sample was obtained using a list of all the students in the high school,it is probably an example of _.If the sample was obtained without a list of students,it is probably an example of _.

The workers in a factory are organized into 5-person teams.When conducting a work-environment survey,a researcher randomly selected 10 teams to obtain a total sample of 50 workers.The researcher used

Selection bias is likely to produce a sample with characteristics that are noticeably different from those in the population.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas

Defining and Measuring Variables

Ethics in Research

Research Strategies and Validity

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-Subjects Design

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group, Pre-Post, and Developmental Designs

Factorial Designs

The Correlational Research Strategy

Descriptive Research Strategy

Single-Subject Research Designs

Statistical Evaluation of Data

Writing a Research Report

Filters

Exam 5: Selecting Research Participants

The most commonly used sampling method in psychological research is probably

Explain why you are more likely to obtain a representative sample with proportionate stratified random sampling than with either stratified random sampling or simple random sampling.

Although a research question usually concerns the _________ the actual research participants are selected from the _________.

If the individuals in a sample have characteristics that are noticeably different from the individuals in the population,then the sample is said to be

If the goal of a research study is to describe and compare different subgroups in a known population,the best strategy is to use stratified random sampling.

If a researcher wants a sample to accurately represent the composition of the population,the best strategy is to use stratified random sampling.

Simple random sampling guarantees that the sample will be representative of the population.

The primary advantage of a stratified random sample is that

If each person in a large group has an equal chance of being included in an experiment,then the researcher is using

A large sample is probably more representative than a small sample.

The most commonly used sampling methods in psychology are nonprobability sampling methods.

A cluster sample usually does not qualify as a true random sample because

A major goal of research is to ______________ from a small group of participants included in a study to the larger group from which they came.

Explain how quota sampling can be used to simulate stratified random sampling or proportionate stratified random sampling in situations where the entire population is not known.

A method for random sampling is

The accessible population is a subset of the target population.

A random process

The workers in a factory are organized into 5-person teams.When conducting a work-environment survey,a researcher randomly selected 10 teams to obtain a total sample of 50 workers.The researcher used

Selection bias is likely to produce a sample with characteristics that are noticeably different from those in the population.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas

Defining and Measuring Variables

Ethics in Research

Research Strategies and Validity

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-Subjects Design

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group, Pre-Post, and Developmental Designs

Factorial Designs

The Correlational Research Strategy

Descriptive Research Strategy

Single-Subject Research Designs

Statistical Evaluation of Data

Writing a Research Report

Filters

Although a research question usually concerns the _ the actual research participants are selected from the _.