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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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Latest Posts

What if we cannot employ RCT, any good alternative?

Dickson

8 April 2021

4 Replies, 52 Months ago

Is there any ethical concern we should pay attention to when employing RCT in evaluations?

Wing Cheung

8 April 2021

3 Replies, 52 Months ago

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, 52 Months ago

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, 52 Months ago

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?

Roxanne

8 April 2021

3 Replies, 52 Months ago

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, 52 Months ago

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, 52 Months ago

I hope to know whether an independent variable should be a categorical or continuous variable?

Tracy Cheung

7 April 2021

3 Replies, 52 Months ago

I am sorry to bother you again. What is a control variable anyway?

Tracy Cheung

7 April 2021

3 Replies, 52 Months ago

Hello, I am recently learning data analysis methods. The concept of “multiple regression” confuses me. There are so many factors that might influence the effects of independent variables on the dependent variable, then how can we determine which ones shall be included and others not?

Hello, I am recently learning data analysis methods. The concept of "multiple regression" confuses me. There are so many factors that might influence the effects of independent variables on the de ...

Ceci Fong

7 April 2021

3 Replies, 52 Months ago

Another similar concept is the impact. I find it hard to distinguish between "outcome" and "impact," as both indicate the effectiveness of a program?

Ceci Fong

7 April 2021

3 Replies, 52 Months ago

Hello, could you please elaborate on the two concepts, output and outcome?

Herman Wong

7 April 2021

3 Replies, 52 Months ago

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