EDR 610 Quiz 3 – Question and Answers
Question 1
1 out of 1 points
Ms. Manley wants to do a small experiment among first graders in her school.
... [Show More] She wants to be able to generalize her results to the entire group, so she selects 30 students who are representative of all first graders. The 30 students are referred to as the _________ , and all first graders are referred to as the ____________.
Selected Answer: c.
Sample, target population
Question 2
1 out of 1 points
In which situation might the target population and the sampling frame be exactly the same?
Selected Answer: c.
A study of the use of technology by middle school students at St. Pius X School.
Question 3
1 out of 1 points
Which type of sampling includes random, stratified random, systematic, and cluster sampling techniques?
Selected Answer: a.
Probability
Question 4
1 out of 1 points
Which type of sampling would likely result in the MOST representative sample?
Selected Answer: a.
Probability
Question 5
1 out of 1 points
A research team from the local university is going to conduct a study that will involve five high schools. The total population is six thousand students, so the principal investigator decides to use the systematic sampling procedure to select the sample for the study. Which of the following is NOT a step in this procedure?
Selected Answer: c.
Stratify the group according to ability
Question 6
1 out of 1 points
A political scientist is investigating the voting pattern of minority groups in large cities. Which sampling procedure will guarantee equal representation of each group in the sample?
Selected Answer: b.
Disproportional stratified sampling
Question 7
1 out of 1 points
There are relatively few teachers certified in content areas like art, foreign languages, and health when compared to content areas like math, science, or social studies. If a researcher wants to be sure these teachers are equally represented in a state-wide survey of teacher's opinions, she should use
Selected Answer: b.
Disproportional stratified
Question 8
1 out of 1 points
A reading specialist conducted a study in which she used the convenience sampling procedure. The subjects in her study were the 10 special education students in the school who had a reading age of 7 years. The findings from this study
Selected Answer: b.
Can be generalized to other special education students with a similar reading age.
Question 9
1 out of 1 points
Why does a researcher use purposeful sampling techniques?
Selected Answer: a.
Certain individuals will provide the best information to address the research questions
Question 10
1 out of 1 points
"Forty high school seniors were selected to participate in the study. All had been rated by their art teachers as having exceptional artistic ability and all had won Art Awards. Of the total, 25 were girls and 15 were boys." Which sampling procedure was used in this study?
Selected Answer: b.
Extreme case
Question 11
1 out of 1 points
The use of networking in purposeful sampling is formally known as
Selected Answer: c.
Snowball sampling.
Question 12
1 out of 1 points
The use of non-probability or purposeful sampling is likely to affect which of the following?
Selected Answer: d.
All of the above
Question 13
1 out of 1 points
If your subjects have volunteered to participate in your study, what will you need to be careful about so that the research is credible?
Selected Answer: b.
Sampling bias
Question 14
1 out of 1 points
A researcher who handpicks the twenty subjects for his experiment is likely to obtain misleading results due to
Selected Answer: c.
Sampling bias.
Question 15
1 out of 1 points
Which of the following is a criterion for evaluating the "Subjects" section in a research report?
Selected Answer: d.
The subjects selected for the study should be appropriate for the problem being investigated.
Thursday, September 19, 2019 7:16:20 PM MST [Show Less]