RESEARCH STUDY 6.1
Professor Kramer has decided to measure how happy his students are with his teaching this semester. He is teaching two classes this semester-Psychology and Law class and Introduction to Neuroscience class. His survey has the following questions.

-Refer to Research Study 6.1 above to answer the following question. In the above scenario,Dr.Kramer needs to avoid which of the following if he hopes to avoid having a biased sample?
A) Sampling only those students who come to class frequently
B) Sampling only those students who volunteer to complete the survey
C) Sampling only those students he likes
D) All of the above should be avoided
E) None of the above should be avoided

Question

RESEARCH STUDY 6.1
Professor Kramer has decided to measure how happy his students are with his teaching this semester. He is teaching two classes this semester-Psychology and Law class and Introduction to Neuroscience class. His survey has the following questions.
 
-Refer to Research Study 6.1 above to answer the following question. In the above scenario,Dr.Kramer needs to avoid which of the following if he hopes to avoid having a biased sample?
A) Sampling only those students who come to class frequently 
B) Sampling only those students who volunteer to complete the survey 
C) Sampling only those students he likes 
D) All of the above should be avoided 
E) None of the above should be avoided

Quizplus · Accepted Answer

The Answer of RESEARCH STUDY 6.1
Professor Kramer has decided to measure how happy his students are with his teaching this semester. He is teaching two classes this semester-Psychology and Law class and Introduction to Neuroscience class. His survey has the following questions.
 
-Refer to Research Study 6.1 above to answer the following question. In the above scenario,Dr.Kramer needs to avoid which of the following if he hopes to avoid having a biased sample?
A) Sampling only those students who come to class frequently 
B) Sampling only those students who volunteer to complete the survey 
C) Sampling only those students he likes 
D) All of the above should be avoided 
E) None of the above should be avoided

RESEARCH STUDY 6.1 Professor Kramer Has Decided to Measure How Happy His Students