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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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Dear MEL staff, could you please advise me? Our agency is launching an anti-drug program, but it is almost impossible to conduct randomization. Is there any good alternative for that?
Dear MEL staff, could you please advise me? Our agency is launching an anti-drug program, but it is almost impossible to conduct randomization. Is there any good alternative for that?
Rose Ma
8 April 2021
3 Replies, 39 Months ago
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Can administrative data be used in the evaluation?
Can administrative data be used in the evaluation?
Rose Ma
8 April 2021
3 Replies, 39 Months ago
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Hi, may I know more about the definition of “administrative data”?
Hi, may I know more about the definition of "administrative data"?
Dickson
8 April 2021
3 Replies, 39 Months ago
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What if we cannot employ RCT, any good alternative?
What if we cannot employ RCT, any good alternative?
Dickson
8 April 2021
4 Replies, 39 Months ago
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Is there any ethical concern we should pay attention to when employing RCT in evaluations?
Is there any ethical concern we should pay attention to when employing RCT in evaluations?
Wing Cheung
8 April 2021
3 Replies, 39 Months ago
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I heard that Randomised Control Trial (RCT) is useful in examining the effectiveness of an intervention. Could you please introduce a bit more about it?
I heard that Randomised Control Trial (RCT) is useful in examining the effectiveness of an intervention. Could you please introduce a bit more about it?
Wing Cheung
8 April 2021
3 Replies, 39 Months ago
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Speaking of one-way ANOVA, it is about the comparison between the three groups at one time. What if we compare two by two, three times? Is it an acceptable practice?
Speaking of one-way ANOVA, it is about the comparison between the three groups at one time. What if we compare two by two, three times? Is it an acceptable practice?
Roxanne
8 April 2021
3 Replies, 39 Months ago
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Then if there is an anti-drug intervention and we want to know if it is effective. We recruit members and divide them into two groups, one is the treatment group, and another is the control group. Then we compare the mean scores of the two groups after our intervention. Is it called independent samples T-test?
Then if there is an anti-drug intervention and we want to know if it is effective. We recruit members and divide them into two groups, one is the treatment group, and another is the control group. ...
Roxanne
8 April 2021
3 Replies, 39 Months ago
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May I ask about the method to compare means in data analysis? Suppose our organization has a 6-month social skill training for young offenders, we want to know its effectiveness, and we have done the pre-test and post-test.
May I ask about the method to compare means in data analysis? Suppose our organization has a 6-month social skill training for young offenders, we want to know its effectiveness, and we have done ...
Cindy Au
7 April 2021
3 Replies, 39 Months ago
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In anti-drug services, we usually need to record the locality of drug abuse. Is it a categorical variable?
In anti-drug services, we usually need to record the locality of drug abuse. Is it a categorical variable?
Cindy Au
7 April 2021
3 Replies, 39 Months ago
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I hope to know whether an independent variable should be a categorical or continuous variable?
I hope to know whether an independent variable should be a categorical or continuous variable?
Tracy Cheung
7 April 2021
3 Replies, 39 Months ago
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I am sorry to bother you again. What is a control variable anyway?
I am sorry to bother you again. What is a control variable anyway?
Tracy Cheung
7 April 2021
3 Replies, 39 Months ago
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