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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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What is the purpose of pre-experimental design for services for pre-school children with disabilities?
What is the purpose of pre-experimental design for services for pre-school children with disabilities?
Kayla
19 August 2021
3 Replies, 45 Months ago
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Is it a pre-experimental design kind of pilot study?
Is it a pre-experimental design kind of pilot study?
Kayla
19 August 2021
3 Replies, 45 Months ago
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I wonder how we can design a study that minimizes threats to internal validity?
I wonder how we can design a study that minimizes threats to internal validity?
Marilyn
19 August 2021
3 Replies, 45 Months ago
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For services for people with disabilities, could you please explain to me what experimental designs we could adopt?
For services for people with disabilities, could you please explain to me what experimental designs we could adopt?
Marilyn
19 August 2021
3 Replies, 45 Months ago
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I wonder, if I revise the instrument in the post-test, will it cause a matter statistically?
I wonder, if I revise the instrument in the post-test, will it cause a matter statistically?
Ruth Chow
19 August 2021
3 Replies, 45 Months ago
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For visually impaired people, can we use braille questionnaires?
For visually impaired people, can we use braille questionnaires?
Ruth Chow
19 August 2021
3 Replies, 45 Months ago
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In a pilot study of services for visually impaired people, the participants are asked to take in the pre-test, during the service, and the post-test. I wonder will the result be affected given so many times of testing?
In a pilot study of services for visually impaired people, the participants are asked to take in the pre-test, during the service, and the post-test. I wonder will the result be affected given so ...
Carol Lin
19 August 2021
3 Replies, 45 Months ago
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I have read a discussion about the effects of experimental mortality. Will it be a concern to internal validity?
I have read a discussion about the effects of experimental mortality. Will it be a concern to internal validity?
Carol Lin
19 August 2021
3 Replies, 45 Months ago
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Suppose in a longitudinal survey about persons with physical disabilities in Hong Kong, some participants pass away during the research period. What does it call?
Suppose in a longitudinal survey about persons with physical disabilities in Hong Kong, some participants pass away during the research period. What does it call?
Kathleen
19 August 2021
3 Replies, 45 Months ago
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I have a question about internal validity. When we try to measure the life satisfaction of persons with disabilities, their physical conditions may change as time goes by. Will it pose a threat to internal validity?
I have a question about internal validity. When we try to measure the life satisfaction of persons with disabilities, their physical conditions may change as time goes by. Will it pose a threat to ...
Kathleen
19 August 2021
3 Replies, 45 Months ago
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Following the previous post, does external validity mean the extent to which we can generalize the findings?
Following the previous post, does external validity mean the extent to which we can generalize the findings?
Betty
19 August 2021
3 Replies, 45 Months ago
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What does the term “external validity” mean? Could you please give an example in the field of services for persons with disabilities?
What does the term “external validity” mean? Could you please give an example in the field of services for persons with disabilities?
Betty
19 August 2021
3 Replies, 45 Months ago
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Featured Posts
Hi, I realized that it seems the concept “outcome” is different from the term “output”. Taking the grandparent training project as an example, what is the “outcome’ referable?
Hi, I realized that it seems the concept "outcome" is different from the term "output". Taking the grandparent training project as an example, what is the “outcome’ referable?
CouldYip
26 August 2021
7 Replies, 45 Months ago
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I have designed a large-scale survey about the life satisfaction of low-income families in Hong Kong. Is it appropriate to use the electronic survey through mobile phones?
I have designed a large-scale survey about the life satisfaction of low-income families in Hong Kong. Is it appropriate to use the electronic survey through mobile phones?
Realistic
20 August 2021
3 Replies, 45 Months ago
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Questions about program evaluation and impact assessment (PE & IA)?
Dear MEL participants, Hello everyone! We are going to meet Prof. Aron Shlonsky this week (17&18 Oct). Do you have any problems or issues in program evaluation and impact assessment? Pleas ...
jml88min
15 October 2019
0 Replies, 67 Months ago
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Question about the programme evaluation
Can someone recommend me a basic guide book for programme evaluation? We are an NGO in mainland China and providing services for young drug abusers in rural China. We learnt about your pro ...
Jessica
9 October 2019
4 Replies, 67 Months ago
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