Manual Event (Session ID,DateTime,Event) = 7dh6og28c0fhr6pqbdpg4r5i7d 20230331142421 /communities/what-are-some-of-the-threats-to-external-validity/

What are some of the threats to external validity?

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: Poverty, Social Disadvantage, and Social Protection

Herman

13 June 2020

What are some of the threats to external validity?

What are some of the threats to external validity?

Reply

Like

Replies

Emily

20 June 2020

Welcome, my pleasure

Replies

Like

Herman

20 June 2020

Thank you for your explanation.

Replies

Like

Emily

20 June 2020

-Unrepresentative samples: volunteers, enticed/coerced or available subjects—issue of overestimating or underestimating the effect of the treatment

-Issues of “unnaturalness”—what we learned from an experiment does not apply to the real world

Replies

Like

Latest Posts

More posts

Following the previous post, could you please share some references related to the influence of problematic internet use on adolescents?

Following the previous post, could you please share some references related to the influence of problematic internet use on adolescents?

Lo Wai Hong

2 March 2023

3Replies,0Months ago

Like

Following the previous post, I just wonder if there are any other influences of problematic internet use on adolescents.

Following the previous post, I just wonder if there are any other influences of problematic internet use on adolescents.

Lo Wai Hong

2 March 2023

3Replies,0Months ago

Like

Following the previous post, I found it is really impressive! However, I am confused about it. What is problematic internet use?

Following the previous post, I found it is really impressive! However, I am confused about it. What is problematic internet use?

Mindy

2 March 2023

3Replies,0Months ago

Like

Hi, friend! Could you give me more information about internet use of children? I want to know more about it to help our evaluation.

Hi, friend! Could you give me more information about internet use of children? I want to know more about it to help our evaluation.

Mindy

2 March 2023

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,19Months 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,19Months 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,41Months 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,41Months 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