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Hi there. Regarding how the data will be collected, when it will be collected, and from whom, I understand there are typically two possible designs—randomized controlled design and pre-post comparison. However, I am not sure how to decide. Could you please help me compare those two?

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Discussion thread: Services for Offenders and Drug Abusers
Loria Chan
2 June 2022
Hi there. Regarding how the data will be collected, when it will be collected, and from whom, I understand there are typically two possible designs—randomized controlled design and pre-post comparison. However, I am not sure how to decide. Could you please help me compare those two?

Hi there. Regarding how the data will be collected, when it will be collected, and from whom, I understand there are typically two possible designs—randomized controlled design and pre-post comparison. However, I am not sure how to decide. Could you please help me compare those two?

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Hilary Chow
2 June 2022

No worries.

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Loria Chan
2 June 2022

Thanks for the information.

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Hilary Chow
2 June 2022

The randomized controlled design is more resource-intensive and complicated to conduct and may be extremely difficult to incorporate into the routine program of a treatment center. A pre-post design can more realistically be incorporated into the routine program of each treatment center. This design enables clients to be assessed on the same outcome domains both before and after undergoing the program. Clients participating in any of the sustainable livelihood projects (e.g., vocational activities) are administered the relevant data collection instruments at entry into the program and pre-determined intervals while in the program.

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Following the previous question, could you please also introduce a bit more about the specific projects included in the employment service for ex-offenders by SRACP?
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Dear Dr. Mel, may I ask about the employment services for ex-offenders in HK?
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Would you also please tell me where to collect further information about the occupational therapy service?
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Could you please give us a clue about how service users apply for the occupational therapy service of SRACP? As we want to evaluate the convenience for applicants to get access to this service.
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