Jacob brings his three-year-old daughter in for a research study on how children from age 3 to 5 develop understanding of number
s. He is told that his child will either be assigned to an experimental or control group and that he will need to bring her back to the lab every six months for the next two years. Which type of study is Jacob's daughter participating in?A) CorrelationalB) Cross-sectionalC) DescriptiveD) Longitudinal
It is a research design which involve the repeated observations of the same variables , over long or short period of time .
This study is used for clinical psychology , social-personality , in order to study the rapid fluctuations in the emotions , thoughts , behaviors in the day - to - day activities .
Hence from the question , the correct answer is D) Longitudinal .
Things like running around the house will not be done as a kid, since as a kid you were way more energetic, but now as a young adult that may not be the case.
