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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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I have a question about hypothesis testing. What is a null hypothesis anyway?
I have a question about hypothesis testing. What is a null hypothesis anyway?
Anson Kong
7 January 2021
3 Replies, 38 Months ago
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We have encountered challenges in recruiting physically disabled people who rarely show up in the community for a brand new program. Any solutions for that, please?
We have encountered challenges in recruiting physically disabled people who rarely show up in the community for a brand new program. Any solutions for that, please?
Anson Kong
7 January 2021
3 Replies, 38 Months ago
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Hello, could you please explain what a chi-square test is?
Hello, could you please explain what a chi-square test is?
Martin Lee
29 November 2020
3 Replies, 40 Months ago
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The logic model seems complicated. Do you have any example of applying it?
The logic model seems complicated. Do you have any example of applying it?
Martin Lee
29 November 2020
3 Replies, 40 Months ago
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Under the COVID-19 pandemic, many students have to study at home via the Internet. But in our community, many low-income families cannot afford the telecom fees. We hope to launch a program that helps them with this matter. Can we use the MEL effectiveness-based model?
Under the COVID-19 pandemic, many students have to study at home via the Internet. But in our community, many low-income families cannot afford the telecom fees. We hope to launch a program that h ...
Yan Leung
29 November 2020
3 Replies, 40 Months ago
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I saw your post about ANOVA. In my situation, I measured the experiment group A, experiment group B, and the control group at different treatment conditions. Can I still use ANOVA?
I saw your post about ANOVA. In my situation, I measured the experiment group A, experiment group B, and the control group at different treatment conditions. Can I still use ANOVA?
Yan Leung
29 November 2020
3 Replies, 40 Months ago
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By the way, what statistical software shall we use to conduct ANOVA?
By the way, what statistical software shall we use to conduct ANOVA?
Mary Wong
29 November 2020
3 Replies, 40 Months ago
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Dear MEL staff, we need to compare the means of three or more groups. Which method do you think is appropriate?
Dear MEL staff, we need to compare the means of three or more groups. Which method do you think is appropriate?
Mary Wong
29 November 2020
3 Replies, 40 Months ago
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I hope to consult about surveying older adults. Since they have relatively low education levels and may not understand the questions well, we need to arrange different raters to fill in the questionnaire. But will different raters affect the results?
I hope to consult about surveying older adults. Since they have relatively low education levels and may not understand the questions well, we need to arrange different raters to fill in the questi ...
Bosco
29 November 2020
3 Replies, 40 Months ago
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In our community, there are many single families. Many of them do not have time to visit our center for services. Is there any way we can better serve them?
In our community, there are many single families. Many of them do not have time to visit our center for services. Is there any way we can better serve them?
Bosco
29 November 2020
3 Replies, 40 Months ago
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Following the last question, if we have an intervention program for the live-alone elderly and we want to assess the effectiveness of it, shall we use the experimental design or quasi-experimental design?
Following the last question, if we have an intervention program for the live-alone elderly and we want to assess the effectiveness of it, shall we use the experimental design or quasi-experimental ...
Sasa
28 November 2020
3 Replies, 40 Months ago
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Hi, can you tell me more about the research design? What are the different types of research design?
Hi, can you tell me more about the research design? What are the different types of research design?
Sasa
28 November 2020
3 Replies, 40 Months ago
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