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Answer:
Although cross-sectional designs are less time-consuming and allow researchers to compare children's abilities or knowledge at different ages or stages of development, only longitudinal studies truly allow researchers to track developmental changes over time.
Explanation:
Cross-sectional research designs measure one or more variables in one single point in time. If in this example, researchers want to compare children's abilities at different ages, they can measure that variable in different samples, with children of different ages. An advantage of this design its that it is less time consuming and it also consumes less resources.
Longitudinal research designs measure one or more variables on the same subjects over a period of time, a longitudinal study would allow researchers to track developmental changes over time because they can measure children's abilities at different stages of their life and since they would be the same children throughout the whole study changes are easier to identify and compare. Though it has many advantages, a longitudinal implies more time and resources.
The first blank will be filled with cross-sectional designs and the second blank filled with longitudinal studies. Both are used to analyze the data.
What are cross-sectional designs and longitudinal studies?
Both cross-sectional designs and longitudinal studies are two different types of research designs. The cross-sectional design is used to collect data from the population at a point in time.
Longitudinal studies are research tools that involved repeated observation of the same variable over a short or long period of time. It can use cohorts to compare data over time.
Therefore both cross-sectional and longitudinal designs are research tools.
Learn more about the Cross-sectional and Longitudinal designs here:
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