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how to do conditional logistic regression using spss?
06 June 2016 4,181 1 View
i am planning to check the effectiveness of a teaching programme. so i prepare a questionnaire for assessing the effectiveness . is it necessary to find the internal consistancy.
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I want to conduct a multicentred parallel clinical trial to find the efficacy of new drug. I want to fix the sample size first. How do I take the sample size? Is it possible to find sample size...
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A meta analysis has been done considering the articles published between the year 1997 and 2004. I am interested to do meta analysis in the same topic. Is it valid?. can I take all articles...
07 July 2013 9,046 6 View
I am on the starting stage to study a software. I know spss only. I want to study a software either R or SAS.Some of them say R is better and others SAS is better. I am totally confused. Which one...
01 January 2013 8,478 94 View
I want to do structural equation modeling. What are the main free softwares to do SEM?
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I want to translate and validate a standard questionnaire. The original version contains 26 items. How many samples do I have to take for validation?...
12 December 2012 2,947 16 View
I am translating a standard questionnaire into a local language. What size of sample should I take for checking the reliability and validity? Is it required 10 times of the questions?
12 December 2012 543 15 View
i have done confirmatory factor analysis for checking the goodness of fit. can i take only the RMSEA value for my conclusion?. or all other values statistified the condition?
11 November 2012 2,404 2 View
I am interested to translate a universally accepted questionnaire into local language. What are the main parameters that i have to tested for validation and standardization?
11 November 2012 8,253 6 View