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Saturday, January 14, 2012

STA630 GDB no 2 Solution


Discussion Question
Chamber of commerce is interested to find out the factors which influence the success of inherited entrepreneurs. In this context, your have been assigned to conduct the interviews of inherited entrepreneurs.
For the purpose of data collection, you have downloaded list of entrepreneurs from the Chamber of Commerce website. But you were astonished to see that there is no information available about family entrepreneurs.
Task which seems quite easy becomes an uphill task for you. You are in the middle of no where and you discussed this situation with another researcher, Muhammad Ali. He advised, “You should find a person who is a family entrepreneur, and ask him, if he knows any one who is also a family entrepreneur i.e. contact will give you other contacts. This chain of information will give you the direction to find other family entrepreneurs. It is a long process but you will get authentic data.”

Which type of sampling technique Muhammad Ali is pointing out? Whether Muhammad Ali’s advice is right or wrong? Justify your opinion.

Instructions:

Read the following instructions before giving your comments on GDB:

1.        Use the font style “Times New Roman” and font size “12”.
2.        Your answer should be relevant to the topic i.e. clear and concise.
3.        Do not copy or exchange your answer with other students.  Two identical / copied comments will be marked Zero (0) and may damage your grade in the course.
4.        Books, websites and other reading material may be consulted before posting your comments but copying or reproducing the text from books, websites and other reading materials is strictly prohibited. Such comments will be marked as Zero (0).
5.        Obnoxious or ignoble answer should be strictly avoided.



Semester “Fall 2011”
Research Methods (STA630)”
Dear Students,
This is to inform that Graded Discussion Board (GDB) will be opened according to the following schedule:
Schedule
Opening Date and Time
January 12, 2012 At 12:01 A.M. (Mid-Night)
Closing Date and Time
January 16, 2012 At 11:59 P.M. (Mid-Night)
Topic/Area for Discussion
Types of Sampling
Note: The discussion question will be from the area/topic mentioned above.  So start learning about the topic now.

  Guidelines for Preparation:

  1. For acquiring the relevant knowledge, do not rely only on handouts but watch the course video lectures, which can be downloaded for free from www.youtube.com/vu, and also use other reference books.

  Important Instructions:

1.   Your discussion must be based on logical facts.
2.   The GDB will remain open for 5 days/ 120 hours.
3.   The GDB will open and close at above specified date and time. Please note that no grace day or extra timewill be given for posting comments on GDB.
4.   Use the font style “Times New Roman” and font size “12”.
5.   Your answer should be relevant to the topic i.e. clear and concise.
6.   Do not copy or exchange your answer with other students.  Two identical / copied comments will be marked Zero (0) and may damage your grade in the course.
7.   Books, websites and other reading material may be consulted before posting your comments; but copying or reproducing the text from books, websites and other reading materials is strictly prohibited. Such comments will be marked as Zero (0).
8.   You should post your answer on the Graded Discussion Board (GDB), not on the Moderated Discussion Board (MDB). Both will run parallel to each other during the time specified above.  Therefore, due care will be needed.
9.   Obnoxious or ignoble answer should be strictly avoided.
10.  You cannot participate in the discussion after the due date via email.
11.  Questions / queries related to the content of the GDB, which may be posted by the students on MDB or via e-mail, will not be replied till the due date of GDB is over.
12.  For planning your semester activities in an organized manner, you are advised to view schedule of upcoming Assignments, Quizzes and GDBs in the overview tab of the course website on VU-LMS.




Solution

Stratified Sampling
In a stratified sample the sampling frame is divided into non-overlapping groups or strata, e.g. geographical areas, age-groups, genders. A sample is taken from each stratum, and when this sample is a simple random sample it is referred to as stratified random sampling.
In my opinion Mr ali’s opinion is wrong because its difficult to find a family entrepreneur because there is no such a great info available. 




It is "Snowball Sampling" hand out page 91 Muhammad ali is right.
think this method is good
as with referals he cant get
others to conduct a survey
but Convenience Sampling will also be good
chk ur self please 



   

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