My personal choice for a Developmental Psych study would have focused on the language development of children in a household with older siblings and children in a household without older siblings. Both sets of children would have to be in families with both parents living at home with a median income of approximately $45,000-65,000.
The study type would be a longitudinal study and interviews with parents. Selected children would be examined once a month in a controlled environment as well as the parents monthly reports. Information would be compiled from 6 months until 5 years.
Language development has been an interest of mine as my biggest issue with small children is the inability to communicate. It's incredibly frustrating to attempt to calm a small child or toddler when words are truly useless. The more information I can compile on the topic, the more it will help me understand their difficulties.
This is really interesting! How do you think the presence of older siblings would affect a child's language development? Or, I guess, what would your hypothesis be for this study?
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