Manual Event (Session ID,DateTime,Event) = pkcsir7n8dv3gh6buprfm4a5tg 20241124202745 /communities/can-you-give-me-an-illustration-of-how-contamination-occur-in-experimental-designs/

Can you give me an illustration of how contamination occur in experimental designs?

Topic Discussions

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!

Recent Activity Discussions

Got questions? Simply post them and let’s discuss!

Discussion thread: General

Raymond

10 June 2020

Can you give me an illustration of how contamination occur in experimental designs?

Can you give me an illustration of how contamination occur in experimental designs?

Reply

Like

Replies

phoebe_wing

20 June 2020

You are welcome!

Replies

Like

Raymond

20 June 2020

Thank you.

Replies

Like

phoebe_wing

20 June 2020

An example:
If an intervention that is designed to reduce dropout rates by increasing engagement with school is delivered to some at-risk children but not others within a given school, it is possible that the children not receiving the intervention will also have their engagement with school increased as a result of the increased engagement of their peers.

Replies

Like

Latest Posts

More posts

How to evaluate a program focused on physicians’ attitudes about caring for people with disabilities?

How to evaluate a program focused on physicians’ attitudes about caring for people with disabilities?

Nathan Harris

1 November 2024

3Replies,0Months ago

Like

How to evaluate a program focused on using AI to support people with disability in the labor market?

How to evaluate a program focused on using AI to support people with disability in the labor market?

Nathan Harris

1 November 2024

3Replies,0Months ago

Like

How to evaluate a program focused on barriers to self-employment for people with disabilities?

How to evaluate a program focused on barriers to self-employment for people with disabilities?

Elijah Clark

1 November 2024

3Replies,0Months ago

Like

How to evaluate a program focused on how companies can support people with disabilities at work?

How to evaluate a program focused on how companies can support people with disabilities at work?

Elijah Clark

1 November 2024

3Replies,0Months ago

Like

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

7Replies,39Months ago

Like

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

3Replies,39Months ago

Like

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 ...

meladmin

15 October 2019

0Replies,61Months ago

Like

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

4Replies,61Months ago

Like

Courses for public Web-based audio visual learning materials Outcome / impact indicator bank Best Practices Sharing Online community of practices Courses for participants