Hello!
I have a methodological question and I hope someone can help me. I collected data via an online survey with a sample size of 2600 (N = 2600). Initially, I aimed to examine the effect of birth order on a dependent variable. However, after cleaning my data, I discovered that I have responses from twins (N = 30), and I am uncertain about how to handle them. I see two options: either discard their responses since I hadn't initially intended to collect data from twins, or explore their influence as it could provide valuable insights.
The challenge with the latter option is determining how to treat the responses from twins. Although I can identify the birth order of twins (e.g., firstborn twins compared to their siblings if applicable), I am unsure whether a non-twin firstborn should be considered equivalent to firstborn twins. I have reviewed relevant literature, from classical works by Adler to more recent papers, but I am still uncertain about the best approach to managing twin responses.
What do you recommend?
I would like to answer but you need to say what your study is studying.please respond
Hi Judy Slome Cohain , thank you so much for your answer. I am investigating the effect of different variables on innovativeness.
You are studying the effect of birth order on innovativeness? I would imagine it is inverse with first borns being the least innovative in general. But i dont know how you measure innovativeness. Of course birth order of twins would be irrelevant. they are raised the same in general.
@Joel
Greeting you should discard the twin from your sample as the complications
and development of twins either intrauterine or after birth is defer from singleton.
If you didn't exclude them there well be irror in last findings
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