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Hello! I’m Dr. MEL. Nice to meet you! I’m absolutely excited that we are going to start this beautiful learning journey together and I’m sure you will find it fruitful and fulfilling. Feel free to share your thoughts here!

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Sample size calculation
How to calculate sample size for purposive sampling (Non random sampling)? We have 25 factors identified for our evaluation. How to calculate exact sample size for non random sampling?
casslau
2019年10月30日
3個回覆,54個月前
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template of the google form
I couldn't find the templates which I used in the lesson. How to solve it?
Kennethmok
2019年10月24日
3個回覆,54個月前
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Creating a google form
What is the difference between the question “ multiple choice” and “checkboxes” in google form ?
kittymeimei
2019年10月16日
2個回覆,54個月前
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Enquiry of sampling
I am Social Worker in youth service. What I should pay attention when finding youth as a comparison group?
kc_kwok
2019年10月16日
1個回覆,54個月前
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Free tools?
Are the tools introduced in the Media and Communication in Course for Public free?
chowtt88
2019年10月16日
1個回覆,54個月前
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P-value is really high???
Hi, I have run some data of paired t-test (before and after the treatment), but the p-value is high p=3.7. What does the test suggests? Is there no difference? Thanks!
Mantee
2019年10月16日
3個回覆,54個月前
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Comparing groups
What should I do if I want to compare the means of 3 groups or above? I know T-test is only for two groups.
Edithleungleung
2019年10月16日
3個回覆,54個月前
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Independent t-test and paired t-test
What is independent t-test and paired t-test? :)
Jeff Wong
2019年10月16日
2個回覆,54個月前
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Question on needs assessment
We are writing the proposal for funding application and our new project is targeted at the disabled group living in the disadvantaged area in Hong Kong, but how can we evidence the problem indenti ...
Janett
2019年10月15日
1個回覆,54個月前
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Needs Assessment
Why it is better to have needs assessment before a program evaluation?
Yukii
2019年10月15日
2個回覆,54個月前
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Can i use Likert scale data for paired sample t-test?
Hi, can anyone tell me if I can use the paired sample t-test to analyze the Likert scale data? I used the retrospective survey to obtain the data (pre and post) on respondents in various statemen ...
Mantee
2019年10月15日
3個回覆,54個月前
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Questions on using t-test
Is it possible to use t-test to check significant difference of large sample? We have around 2800 service users and 72% of them are male. We would like to test the significant difference of the ge ...
Mantee
2019年10月15日
3個回覆,54個月前
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