Respuesta :
Longitudinal Research Design
Explanation:
- A longitudinal design is the study of the comparative study of the same group over a period of time
- In this type of research, a person uses the observational method to research the project in which all the data is gathered for the same subject
- longitudinal studies are used to examine the childhood nutrition effect on heights
- The research will use to track the growth of the same infants and the effects of nutrition consumption from age 1 through age 6
- Hence, the right answer or fill in the blank is "longitudinal design"
Longitudinal Design of research.
Explanation:
The psychologist is comparing the effects of nutrition on height and so he tracks the nutritional consumption and growth of same group of infants from age 1 to age 6. This means that he made repeated observation for the same variable in same sample in order to trace the growth rate.
This design of research according to which a conclusion is derived after making repeated observation of same variable, is classified as Longitudinal design of research.