Name the correct sampling design for each question: cluster random sampling, ran

Question

Name the correct sampling design for each question: cluster random sampling, random purposive sampling, homogeneous sampling, criterion sampling, stratified sampling, simple random sampling,sytstematic random sampling

1- A drug rehabilation program is being tested for its effectiveness in treating adults form different ethnicity and making them reduce the dependency on marijuana A researcher is interested in understanding the behavior of only those adults who have Hispanic and white ethnictiy and have gone through this drug rehab program . He first obtains the names and ethnicity of all the adults who went through the program. He then randomly selects 20 Hispanics an 20 white adults for his research

2- A researcher is trying to assess the influence of a online training program on elementary teacher's knowledge of using thinking maps in the sth state of Georgia. The researcher randomly selects four districts each from the Northern, Western, Southern, Eastern and central parts of Georgia. The researcher than randomly selects four schools from each of the selected districts. A total of 5 teachers are randomly selected from each of the the selected schools for a survey.

3- Achieve 3000 is a reading program that is used by teachers to enhance reading and writing skills of students. The researcher is trying to assess the impact of the program on ELL student's academic performance. The researcher sellects all ELL students enrolled in Title 1 school and who have issues using a computer to evaluate the program impact.

4- Achieve 3000 is a reading program that is used by teachers to enhance reading and writing skills of students. The research is trying to assess the impact of this program on ELL students academic performance on an end of the year test. The researcher sellects all ELL students who is a beginning learner according to the end of the year test to evaluate the program impact.

5- A researcher is trying to understand the different forms of leadership that school principals follow in their school. She contacts principals in the school district she works as well as principals from surrounding school districts whom she knows to increase her population. She then sends a request to all the school principals to participate in the study and reveives and overwhelming response. SHe then randomly select 50 principals for her study.

6- A school counselor has an average case load of 100 students per weel in a schoo district. The researcher needs to know the average amount of time a counselor should spent with each student for effective counseling. She randomly samples 40 students form the list of all the students who had a appointment with a counselor in the past two weeks.

Explanation / Answer

The Following are suitable for different situations

1) cluster random sampling

2) stratified sampling

3) simple random sampling

4) simple random sampling

5) stratified sampling

6) criterion sampling

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