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Asmaa Abd Elhameed Ahmed

Egypt
Available
Expertise

Medical Statistics,how to choose your statistical test, statistical tests using SPSS program ,Research design ,sample size calculation

Experience in the area

Demonstrator in Biomedical informatics &Medical Statistics department ,Alexandria university

Organizations

Medical Research Institute,Alexandria university Egypt

Education/Credentials

B.Sc. of Medicine, Faculty of Medicine,Alexandria university candidate for Master degree in Medical Statistics

What do you like about this subject?

Medical statistics is a very interesting field

Average Ratings

  • Knowledgeability 10.0
  • Clarity of Response 10.0
  • Timeliness 10.0
  • Politeness 10.0
  • Number of Questions (in Past 24 Hours) 1
  • Max Questions to be Asked (in 24 Hour Period) 3
  • Total Questions (since joining AllExperts) 70
  • Volunteer Since 2009-07-14
  • Prestige Points 260

Recent Reviews from Users

Read More Comments

    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness
UserDateKCTPComments
Andres11/16/0910101010thanks
BINU09/26/0910101010thank you verymuch
Warm09/06/0910101010Thank you for taking your precious time .....
Dr Tariq07/28/0910101010Thanks for you clear, concise and quick .....
Zac07/22/0910101010Excellent. Thanks for the clarification!

Recent Answers from Asmaa Abd Elhameed Ahmed

2009-10-04 stat test:

hi, Mann-Whitney test used to compare quantitative not normally distributed data between 2 groups or when sample size is small. It can be used for both untransformed and untransformed data,but you

2009-09-29 sample design:

hi, 1-first he should do sampling by cluster random sampling i.e.he should consider each of the great lakes as cluster then randomly select from them and then the clusters selected taken as a whole 2-

2009-09-12 The statistical significance of a difference of 1.2 years between the UK and US life expectancies?:

hi, -to tell if there is statistically significant difference between the mean life expectancies we should do t-test for t-test, we need the mean ,standard deviation,and sample size of the 2 groups

2009-07-28 Comparison of ratios and percentages of 3 or more groups:

hi, K-S test (kolmogrove-Smirnov test)is a test of normality It is used to explore the distribution of data(if it is normally distributed or not) To do it on SPSS: analyze--descriptive---explore---plots--normality

2009-07-25 Comparison of ratios and percentages of 3 or more groups:

Hi Dr Tariq, yes, you will use one way ANOVA test if normally distributed data, if the data is not normally distributed we will use Kruskal Wallis test. This for the percentage improvement and for the

 

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