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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 heard that the Social Welfare Department has launched on-site rehabilitation services for pre-school children based on a pilot study. It seems pre-experimental pilot studies are useful. What are the functions of pre-experimental pilot studies?
I heard that the Social Welfare Department has launched on-site rehabilitation services for pre-school children based on a pilot study. It seems pre-experimental pilot studies are useful. What are ...
Russell
19 August 2021
3 Replies, 42 Months ago
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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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 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, 42 Months ago
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