Dear prof. Hugh: Thank your. My English is lack of fluency and I seldom use it write something, just reading. so the word and express I used is not good enough. The question I asked came from a real study. Someone translated a English scale into Chinese. At first I did not think compare the data. There no correspondence word to translate the scale's five choices. In common sense a 4 choices item is more preferable to the Chinese subject, it is easy to answer. After I collect the data, someone tell me, the questionnaire came from English, why not compare your data to the data come form UAS. My god! a 4-pt scale compare a 5-pt scale, I never seen anyone do it, and there no original dada come form UAS yet, there only M and SD. What should I do? I asked the TIPS only find a possible solution, if there no, bad luck. It's not a homework my teacher assigns to me, just a work of my self.
About the 3 question your think ,I may answer some of them: no1. I only try to see is there any sig. deference between the UAS and Chinese subjects in the same scale (but one 4-pt one 5-pt). no2. The comparison may not "fair", although the mean are all summed over 9 questions. no3. I don't know this question I can answer or not. ======= 2002-11-29 14:11:00 ��======= >I'm sorry, but you will learn best if you do your own work. > >Here are some questions I might ask myself in thinking through such a >problem: >1. Why do you want to compare the data? What are you trying to learn >about the data? >2. How do you make your comparison "fair"? What would be the impact of >different sample sizes and different scales (4-pt vs 5-pt)? Were both >means summed over the same 9 questions? >3. What statistic seems most appropriate, given your question and what >you know about population parameters? > >Good Luck! >Hugh > > >On Tuesday, November 26, 2002, at 08:47 PM, ���� wrote: > >> Hugh Foley,�� >> I forget it, the mean of 24.37 summation over 9 questions,my >> sample size is 190,the correspondence sample size is 54. >> It is a very important homework for me.I overlook the original >> questionnaire is a 5-pt scale,and i used it as a 4-pt scale .Oh now I >> dont know how to compare ! >> Thank you help me! >> >> >> ======= 2002-11-26 09:27:00 ======= >> >>> Homework problem? How does a mean of 24.37 emerge from a 4-pt scale? >>> Summation over many questions? >>> >>> Hugh >>> >>> On Tuesday, December 17, 2002, at 10:45 PM, ���� wrote: >>> >>>> Hello, >>>> I have a problem.I collected some data with Likert 4 point >>>> scale,and there also some data about the same questionnaire but >>>> collected with likert 5 point scale and there have no orignal data >>>> yet,I only can see the Mean and SD . Now how to compare them? >>>> e.g. my data's Mean and SD are 24.37 5.64 >>>> the correspondence data's Mean and SD are 26.37 12.68 >>>> >>>> >>>> Is there some one would like to tell me how to compare the data. >>>> >>>> Thanks. >>>> [EMAIL PROTECTED] >>>> 2002-12-18 >>>> >>>> --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]
