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Manual Event (Session ID,DateTime,Event) = icpl92id2oceqhcuj9im825dpu 20211127140816 /tc/communities/how-many-samples-are-adequate-to-assess-the-impact-of-one-program/

How many samples are adequate to assess the impact of one program?

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Elaine
2020年11月19日
How many samples are adequate to assess the impact of one program?

How many samples are adequate to assess the impact of one program?

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Happy Chan
2020年11月19日

No worries. You may contact us for further questions.

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Elaine
2020年11月19日

That’s a bit complicated.

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Happy Chan
2020年11月19日

It depends on your research design. For example, if you are doing a cross-sectional design, then it usually requires a few hundred to increase the representativeness (external validity) of your sample. If you are doing an intervention design, you may collect from your participants only to indicate internal validity.

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Someone told me that a pretest is a more important component of a quasi-experimental design. Could you please elaborate more for me, taking the older adult group as an example?
Someone told me that a pretest is a more important component of a quasi-experimental design. Could you please elaborate more for me, taking the older adult group as an example?
Rebecca@yahoo.com.hk
2021年11月27日
3個回覆,0個月前
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The current restrictions and rules on public gatherings may make older adults more isolated. Therefore, we hope to understand the potential difference in the subjective feelings of social isolation between community-dwelling and institutionalized elders. But the reality does not allow us to adopt randomization. Could you please give us some advice?
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Rebecca@yahoo.com.hk
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There are many dropout cases in my samples of older adults living in the community. I wonder can I use the pretest score to examine differences among the remaining group members?
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Emilia@gmail.com
2021年11月27日
3個回覆,0個月前
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If our team plans to conduct a longitudinal study to examine the impacts of a program for older adults, may I ask the function of its pretest?
If our team plans to conduct a longitudinal study to examine the impacts of a program for older adults, may I ask the function of its pretest?
Emilia@gmail.com
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